20121662025

素因数分解:

$3^2\times 5^2\times {\mathrm{89429609}}^1$

素因数の和:89429625

約数の個数: 18

約数和(自身を含む): 36040132830

約数和(自身を除く): 15918470805

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 89429609, 268288827, 447148045, 804866481, 1341444135, 2235740225, 4024332405, 6707220675, 20121662025]

約数ペア:

[(1, 20121662025), (3, 6707220675), (5, 4024332405), (9, 2235740225), (15, 1341444135), (25, 804866481), (45, 447148045), (75, 268288827), (225, 89429609)]