20698964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36187}}^1$

素因数の和:36215

約数の個数: 24

約数和(自身を含む): 42557088

約数和(自身を除く): 21858124

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36187, 72374, 144748, 398057, 470431, 796114, 940862, 1592228, 1881724, 5174741, 10349482, 20698964]

約数ペア:

[(1, 20698964), (2, 10349482), (4, 5174741), (11, 1881724), (13, 1592228), (22, 940862), (26, 796114), (44, 470431), (52, 398057), (143, 144748), (286, 72374), (572, 36187)]