12311020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10091}}^1$

素因数の和:10161

約数の個数: 24

約数和(自身を含む): 26279568

約数和(自身を除く): 13968548

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 10091, 20182, 40364, 50455, 100910, 201820, 615551, 1231102, 2462204, 3077755, 6155510, 12311020]

約数ペア:

[(1, 12311020), (2, 6155510), (4, 3077755), (5, 2462204), (10, 1231102), (20, 615551), (61, 201820), (122, 100910), (244, 50455), (305, 40364), (610, 20182), (1220, 10091)]