Q: What is the sum of all factors of the number 20,888,240 excluding 20,888,240?

A: 30,537,040

Why is 30,537,040 the sum of all factors of 20,888,240, excluding 20,888,240?

The factors of the number 20,888,240 are: 1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 15359, 30718, 61436, 76795, 122872, 153590, 245744, 261103, 307180, 522206, 614360, 1044412, 1228720, 1305515, 2088824, 2611030, 4177648, 5222060, 10444120, 20888240.

If you add them up, you will get the total of 20,888,270. Now subtract 20,888,240 to get 30,537,040