20050155

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3943}}^1$

素因数の和:4067

約数の個数: 24

約数和(自身を含む): 35070048

約数和(自身を除く): 15019893

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 3943, 5085, 11829, 19715, 35487, 59145, 177435, 445559, 1336677, 2227795, 4010031, 6683385, 20050155]

約数ペア:

[(1, 20050155), (3, 6683385), (5, 4010031), (9, 2227795), (15, 1336677), (45, 445559), (113, 177435), (339, 59145), (565, 35487), (1017, 19715), (1695, 11829), (3943, 5085)]