20359665

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7417}}^1$

素因数の和:7489

約数の個数: 24

約数和(自身を含む): 35873448

約数和(自身を除く): 15513783

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 7417, 22251, 37085, 66753, 111255, 333765, 452437, 1357311, 2262185, 4071933, 6786555, 20359665]

約数ペア:

[(1, 20359665), (3, 6786555), (5, 4071933), (9, 2262185), (15, 1357311), (45, 452437), (61, 333765), (183, 111255), (305, 66753), (549, 37085), (915, 22251), (2745, 7417)]