157020460

素因数分解:

$2^2\times 5^1\times {\mathrm{1663}}^1\times {\mathrm{4721}}^1$

素因数の和:6393

約数の個数: 24

約数和(自身を含む): 330011136

約数和(自身を除く): 172990676

約数列:

[1, 2, 4, 5, 10, 20, 1663, 3326, 4721, 6652, 8315, 9442, 16630, 18884, 23605, 33260, 47210, 94420, 7851023, 15702046, 31404092, 39255115, 78510230, 157020460]

約数ペア:

[(1, 157020460), (2, 78510230), (4, 39255115), (5, 31404092), (10, 15702046), (20, 7851023), (1663, 94420), (3326, 47210), (4721, 33260), (6652, 23605), (8315, 18884), (9442, 16630)]