Q: What is the sum of all factors of the number 20,403,210 excluding 20,403,210?

 A: 28,564,566

Why is 28,564,566 the sum of all factors of 20,403,210, excluding 20,403,210?

The factors of the number 20,403,210 are: 1, 2, 3, 5, 6, 10, 15, 30, 680107, 1360214, 2040321, 3400535, 4080642, 6801070, 10201605, 20403210.

If you add them up, you will get the total of 20,403,238. Now subtract 20,403,210 to get 28,564,566


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