20679900525

素因数分解:

$3^2\times 5^2\times {\mathrm{91910669}}^1$

素因数の和:91910685

約数の個数: 18

約数和(自身を含む): 37040000010

約数和(自身を除く): 16360099485

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 91910669, 275732007, 459553345, 827196021, 1378660035, 2297766725, 4135980105, 6893300175, 20679900525]

約数ペア:

[(1, 20679900525), (3, 6893300175), (5, 4135980105), (9, 2297766725), (15, 1378660035), (25, 827196021), (45, 459553345), (75, 275732007), (225, 91910669)]