1657232020

素因数分解:

$2^2\times 5^1\times {\mathrm{7211}}^1\times {\mathrm{11491}}^1$

素因数の和:18711

約数の個数: 24

約数和(自身を含む): 3480972768

約数和(自身を除く): 1823740748

約数列:

[1, 2, 4, 5, 10, 20, 7211, 11491, 14422, 22982, 28844, 36055, 45964, 57455, 72110, 114910, 144220, 229820, 82861601, 165723202, 331446404, 414308005, 828616010, 1657232020]

約数ペア:

[(1, 1657232020), (2, 828616010), (4, 414308005), (5, 331446404), (10, 165723202), (20, 82861601), (7211, 229820), (11491, 144220), (14422, 114910), (22982, 72110), (28844, 57455), (36055, 45964)]