20993625

素因数分解:

$3^2\times 5^3\times {\mathrm{18661}}^1$

素因数の和:18682

約数の個数: 24

約数和(自身を含む): 37846536

約数和(自身を除く): 16852911

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 18661, 55983, 93305, 167949, 279915, 466525, 839745, 1399575, 2332625, 4198725, 6997875, 20993625]

約数ペア:

[(1, 20993625), (3, 6997875), (5, 4198725), (9, 2332625), (15, 1399575), (25, 839745), (45, 466525), (75, 279915), (125, 167949), (225, 93305), (375, 55983), (1125, 18661)]