20147535

素因数分解:

$3^4\times 5^1\times {\mathrm{49747}}^1$

素因数の和:49764

約数の個数: 20

約数和(自身を含む): 36117048

約数和(自身を除く): 15969513

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49747, 149241, 248735, 447723, 746205, 1343169, 2238615, 4029507, 6715845, 20147535]

約数ペア:

[(1, 20147535), (3, 6715845), (5, 4029507), (9, 2238615), (15, 1343169), (27, 746205), (45, 447723), (81, 248735), (135, 149241), (405, 49747)]