20942788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{11981}}^1$

素因数の和:12027

約数の個数: 24

約数和(自身を含む): 40259520

約数和(自身を除く): 19316732

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 11981, 23962, 47924, 227639, 275563, 455278, 551126, 910556, 1102252, 5235697, 10471394, 20942788]

約数ペア:

[(1, 20942788), (2, 10471394), (4, 5235697), (19, 1102252), (23, 910556), (38, 551126), (46, 455278), (76, 275563), (92, 227639), (437, 47924), (874, 23962), (1748, 11981)]