20257477

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:424

約数の個数: 16

約数和(自身を含む): 22251520

約数和(自身を除く): 1994043

約数列:

[1, 19, 31, 163, 211, 589, 3097, 4009, 5053, 6541, 34393, 96007, 124279, 653467, 1066183, 20257477]

約数ペア:

[(1, 20257477), (19, 1066183), (31, 653467), (163, 124279), (211, 96007), (589, 34393), (3097, 6541), (4009, 5053)]