20540826

素因数分解:

$2^1\times 3^2\times {\mathrm{263}}^1\times {\mathrm{4339}}^1$

素因数の和:4610

約数の個数: 24

約数和(自身を含む): 44684640

約数和(自身を除く): 24143814

約数列:

[1, 2, 3, 6, 9, 18, 263, 526, 789, 1578, 2367, 4339, 4734, 8678, 13017, 26034, 39051, 78102, 1141157, 2282314, 3423471, 6846942, 10270413, 20540826]

約数ペア:

[(1, 20540826), (2, 10270413), (3, 6846942), (6, 3423471), (9, 2282314), (18, 1141157), (263, 78102), (526, 39051), (789, 26034), (1578, 13017), (2367, 8678), (4339, 4734)]