20014360

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3187}}^1$

素因数の和:3355

約数の個数: 32

約数和(自身を含む): 45333360

約数和(自身を除く): 25319000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 3187, 6280, 6374, 12748, 15935, 25496, 31870, 63740, 127480, 500359, 1000718, 2001436, 2501795, 4002872, 5003590, 10007180, 20014360]

約数ペア:

[(1, 20014360), (2, 10007180), (4, 5003590), (5, 4002872), (8, 2501795), (10, 2001436), (20, 1000718), (40, 500359), (157, 127480), (314, 63740), (628, 31870), (785, 25496), (1256, 15935), (1570, 12748), (3140, 6374), (3187, 6280)]