Q: What is the sum of all factors of the number 20,816,817 excluding 20,816,817?
A: 13,853,775
The factors of the number 20,816,817 are: 1, 3, 7, 21, 23, 47, 49, 69, 131, 141, 147, 161, 329, 393, 483, 917, 987, 1081, 1127, 2303, 2751, 3013, 3243, 3381, 6157, 6419, 6909, 7567, 9039, 18471, 19257, 21091, 22701, 43099, 52969, 63273, 129297, 141611, 147637, 158907, 301693, 424833, 442911, 905079, 991277, 2973831, 6938939, 20816817.
If you add them up, you will get the total of 20,816,830. Now subtract 20,816,817 to get 13,853,775