20643652

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1823}}^1$

素因数の和:1995

約数の個数: 24

約数和(自身を含む): 38304000

約数和(自身を除く): 17660348

約数列:

[1, 2, 4, 19, 38, 76, 149, 298, 596, 1823, 2831, 3646, 5662, 7292, 11324, 34637, 69274, 138548, 271627, 543254, 1086508, 5160913, 10321826, 20643652]

約数ペア:

[(1, 20643652), (2, 10321826), (4, 5160913), (19, 1086508), (38, 543254), (76, 271627), (149, 138548), (298, 69274), (596, 34637), (1823, 11324), (2831, 7292), (3646, 5662)]