20835386

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{277}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 36989568

約数和(自身を除く): 16154182

約数列:

[1, 2, 11, 13, 22, 26, 143, 263, 277, 286, 526, 554, 2893, 3047, 3419, 3601, 5786, 6094, 6838, 7202, 37609, 39611, 72851, 75218, 79222, 145702, 801361, 947063, 1602722, 1894126, 10417693, 20835386]

約数ペア:

[(1, 20835386), (2, 10417693), (11, 1894126), (13, 1602722), (22, 947063), (26, 801361), (143, 145702), (263, 79222), (277, 75218), (286, 72851), (526, 39611), (554, 37609), (2893, 7202), (3047, 6838), (3419, 6094), (3601, 5786)]