20625956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3851}}^1$

素因数の和:3971

約数の個数: 24

約数和(自身を含む): 39259584

約数和(自身を除く): 18633628

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 3851, 5356, 7702, 15404, 50063, 100126, 200252, 396653, 793306, 1586612, 5156489, 10312978, 20625956]

約数ペア:

[(1, 20625956), (2, 10312978), (4, 5156489), (13, 1586612), (26, 793306), (52, 396653), (103, 200252), (206, 100126), (412, 50063), (1339, 15404), (2678, 7702), (3851, 5356)]