168282020

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{53593}}^1$

素因数の和:53759

約数の個数: 24

約数和(自身を含む): 355649784

約数和(自身を除く): 187367764

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 53593, 107186, 214372, 267965, 535930, 1071860, 8414101, 16828202, 33656404, 42070505, 84141010, 168282020]

約数ペア:

[(1, 168282020), (2, 84141010), (4, 42070505), (5, 33656404), (10, 16828202), (20, 8414101), (157, 1071860), (314, 535930), (628, 267965), (785, 214372), (1570, 107186), (3140, 53593)]