Q: What is the sum of all factors of the number 820,515,421 excluding 820,515,421?
A: 127,245,923
The factors of the number 820,515,421 are: 1, 11, 17, 187, 4387783, 48265613, 74592311, 820515421.
If you add them up, you will get the total of 820,515,548. Now subtract 820,515,421 to get 127,245,923