20682225

素因数分解:

$3^2\times 5^2\times {\mathrm{91921}}^1$

素因数の和:91937

約数の個数: 18

約数和(自身を含む): 37044566

約数和(自身を除く): 16362341

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 91921, 275763, 459605, 827289, 1378815, 2298025, 4136445, 6894075, 20682225]

約数ペア:

[(1, 20682225), (3, 6894075), (5, 4136445), (9, 2298025), (15, 1378815), (25, 827289), (45, 459605), (75, 275763), (225, 91921)]