20236086520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38915551}}^1$

素因数の和:38915575

約数の個数: 32

約数和(自身を含む): 49033595520

約数和(自身を除く): 28797509000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38915551, 77831102, 155662204, 194577755, 311324408, 389155510, 505902163, 778311020, 1011804326, 1556622040, 2023608652, 2529510815, 4047217304, 5059021630, 10118043260, 20236086520]

約数ペア:

[(1, 20236086520), (2, 10118043260), (4, 5059021630), (5, 4047217304), (8, 2529510815), (10, 2023608652), (13, 1556622040), (20, 1011804326), (26, 778311020), (40, 505902163), (52, 389155510), (65, 311324408), (104, 194577755), (130, 155662204), (260, 77831102), (520, 38915551)]