Q: What is the sum of all factors of the number 20,403,090 excluding 20,403,090?

A: 34,460,730

Why is 34,460,730 the sum of all factors of 20,403,090, excluding 20,403,090?

The factors of the number 20,403,090 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25189, 50378, 75567, 125945, 151134, 226701, 251890, 377835, 453402, 680103, 755670, 1133505, 1360206, 2040309, 2267010, 3400515, 4080618, 6801030, 10201545, 20403090.

If you add them up, you will get the total of 20,403,124. Now subtract 20,403,090 to get 34,460,730