20393631

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{499}}^1$

素因数の和:763

約数の個数: 24

約数和(自身を含む): 31200000

約数和(自身を除く): 10806369

約数列:

[1, 3, 9, 19, 57, 171, 239, 499, 717, 1497, 2151, 4491, 4541, 9481, 13623, 28443, 40869, 85329, 119261, 357783, 1073349, 2265959, 6797877, 20393631]

約数ペア:

[(1, 20393631), (3, 6797877), (9, 2265959), (19, 1073349), (57, 357783), (171, 119261), (239, 85329), (499, 40869), (717, 28443), (1497, 13623), (2151, 9481), (4491, 4541)]