Q: What is the sum of all factors of the number 206,020,521 excluding 206,020,521?
A: 135,806,679
The factors of the number 206,020,521 are: 1, 3, 7, 9, 21, 63, 199, 597, 1393, 1791, 4179, 12537, 16433, 49299, 115031, 147897, 345093, 1035279, 3270167, 9810501, 22891169, 29431503, 68673507, 206020521.
If you add them up, you will get the total of 206,020,656. Now subtract 206,020,521 to get 135,806,679