20123660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52957}}^1$

素因数の和:52985

約数の個数: 24

約数和(自身を含む): 44484720

約数和(自身を除く): 24361060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 52957, 105914, 211828, 264785, 529570, 1006183, 1059140, 2012366, 4024732, 5030915, 10061830, 20123660]

約数ペア:

[(1, 20123660), (2, 10061830), (4, 5030915), (5, 4024732), (10, 2012366), (19, 1059140), (20, 1006183), (38, 529570), (76, 264785), (95, 211828), (190, 105914), (380, 52957)]