Q: What is the sum of all factors of the number 20,131,890 excluding 20,131,890?

 A: 28,184,718

Why is 28,184,718 the sum of all factors of 20,131,890, excluding 20,131,890?

The factors of the number 20,131,890 are: 1, 2, 3, 5, 6, 10, 15, 30, 671063, 1342126, 2013189, 3355315, 4026378, 6710630, 10065945, 20131890.

If you add them up, you will get the total of 20,131,918. Now subtract 20,131,890 to get 28,184,718


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