Q: What is the sum of all factors of the number 20,540,521 excluding 20,540,521?
A: 678,239
The factors of the number 20,540,521 are: 1, 53, 73, 3869, 5309, 281377, 387557, 20540521.
If you add them up, you will get the total of 20,541,199. Now subtract 20,540,521 to get 678,239