20939883550

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{2713}}^1\times {\mathrm{5323}}^1$

素因数の和:8077

約数の個数: 48

約数和(自身を含む): 40313647440

約数和(自身を除く): 19373763890

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 2713, 5323, 5426, 10646, 13565, 26615, 27130, 53230, 67825, 78677, 133075, 135650, 154367, 157354, 266150, 308734, 393385, 771835, 786770, 1543670, 1966925, 3859175, 3933850, 7718350, 14441299, 28882598, 72206495, 144412990, 361032475, 418797671, 722064950, 837595342, 2093988355, 4187976710, 10469941775, 20939883550]

約数ペア:

[(1, 20939883550), (2, 10469941775), (5, 4187976710), (10, 2093988355), (25, 837595342), (29, 722064950), (50, 418797671), (58, 361032475), (145, 144412990), (290, 72206495), (725, 28882598), (1450, 14441299), (2713, 7718350), (5323, 3933850), (5426, 3859175), (10646, 1966925), (13565, 1543670), (26615, 786770), (27130, 771835), (53230, 393385), (67825, 308734), (78677, 266150), (133075, 157354), (135650, 154367)]