20749207911

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{2137}}^1\times {\mathrm{87473}}^1$

素因数の和:89650

約数の個数: 16

約数和(自身を含む): 28426950624

約数和(自身を除く): 7677742713

約数列:

[1, 3, 37, 111, 2137, 6411, 79069, 87473, 237207, 262419, 3236501, 9709503, 186929801, 560789403, 6916402637, 20749207911]

約数ペア:

[(1, 20749207911), (3, 6916402637), (37, 560789403), (111, 186929801), (2137, 9709503), (6411, 3236501), (79069, 262419), (87473, 237207)]