20343037

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 24876288

約数和(自身を除く): 4533251

約数列:

[1, 11, 13, 31, 143, 169, 341, 353, 403, 1859, 3883, 4433, 4589, 5239, 10943, 50479, 57629, 59657, 120373, 142259, 656227, 1564849, 1849367, 20343037]

約数ペア:

[(1, 20343037), (11, 1849367), (13, 1564849), (31, 656227), (143, 142259), (169, 120373), (341, 59657), (353, 57629), (403, 50479), (1859, 10943), (3883, 5239), (4433, 4589)]