20015055

素因数分解:

$3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1861}}^1$

素因数の和:2111

約数の個数: 24

約数和(自身を含む): 34856640

約数和(自身を除く): 14841585

約数列:

[1, 3, 5, 9, 15, 45, 239, 717, 1195, 1861, 2151, 3585, 5583, 9305, 10755, 16749, 27915, 83745, 444779, 1334337, 2223895, 4003011, 6671685, 20015055]

約数ペア:

[(1, 20015055), (3, 6671685), (5, 4003011), (9, 2223895), (15, 1334337), (45, 444779), (239, 83745), (717, 27915), (1195, 16749), (1861, 10755), (2151, 9305), (3585, 5583)]