Is 820 an abundant number and what is its abundance?

Is 820 an abundant number?

Here we will explain and calculate if 820 is an abundant number and its abundance if applicable.

820 is an abundant number if the sum of its proper divisors is greater than 820.

The sum of its proper divisors is calculated as follows: 1 + 2 + 4 + 5 + 10 + 20 + 41 + 82 + 164 + 205 + 410 = 944.

944 is greater than 820. Therefore, 820 is an abundant number.

The abundance of 820 is the sum of its proper divisors minus 820. Thus, the abundance of 820 is 944 - 820 = 124

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