20501091

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1279}}^1$

素因数の和:1435

約数の個数: 24

約数和(自身を含む): 32148480

約数和(自身を除く): 11647389

約数列:

[1, 3, 9, 13, 39, 117, 137, 411, 1233, 1279, 1781, 3837, 5343, 11511, 16029, 16627, 49881, 149643, 175223, 525669, 1577007, 2277899, 6833697, 20501091]

約数ペア:

[(1, 20501091), (3, 6833697), (9, 2277899), (13, 1577007), (39, 525669), (117, 175223), (137, 149643), (411, 49881), (1233, 16627), (1279, 16029), (1781, 11511), (3837, 5343)]