Q: What is the sum of all factors of the number 20,731,389 excluding 20,731,389?

 A: 10,859,331

Why is 10,859,331 the sum of all factors of 20,731,389, excluding 20,731,389?

The factors of the number 20,731,389 are: 1, 3, 7, 21, 987209, 2961627, 6910463, 20731389.

If you add them up, you will get the total of 20,731,399. Now subtract 20,731,389 to get 10,859,331


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