20210360

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3391}}^1$

素因数の和:3551

約数の個数: 32

約数和(自身を含む): 45792000

約数和(自身を除く): 25581640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 3391, 5960, 6782, 13564, 16955, 27128, 33910, 67820, 135640, 505259, 1010518, 2021036, 2526295, 4042072, 5052590, 10105180, 20210360]

約数ペア:

[(1, 20210360), (2, 10105180), (4, 5052590), (5, 4042072), (8, 2526295), (10, 2021036), (20, 1010518), (40, 505259), (149, 135640), (298, 67820), (596, 33910), (745, 27128), (1192, 16955), (1490, 13564), (2980, 6782), (3391, 5960)]