Q: What is the sum of all factors of the number 18,215,980 excluding 18,215,980?

 A: 20,037,620

Why is 20,037,620 the sum of all factors of 18,215,980, excluding 18,215,980?

The factors of the number 18,215,980 are: 1, 2, 4, 5, 10, 20, 910799, 1821598, 3643196, 4553995, 9107990, 18215980.

If you add them up, you will get the total of 18,216,000. Now subtract 18,215,980 to get 20,037,620


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