20921963924

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{9721}}^1\times {\mathrm{28319}}^1$

素因数の和:38063

約数の個数: 24

約数和(自身を含む): 38545785600

約数和(自身を除く): 17623821676

約数列:

[1, 2, 4, 19, 38, 76, 9721, 19442, 28319, 38884, 56638, 113276, 184699, 369398, 538061, 738796, 1076122, 2152244, 275288999, 550577998, 1101155996, 5230490981, 10460981962, 20921963924]

約数ペア:

[(1, 20921963924), (2, 10460981962), (4, 5230490981), (19, 1101155996), (38, 550577998), (76, 275288999), (9721, 2152244), (19442, 1076122), (28319, 738796), (38884, 538061), (56638, 369398), (113276, 184699)]