20178860287

素因数分解:

${\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1213}}^1\times {\mathrm{3917}}^1$

素因数の和:5298

約数の個数: 16

約数和(自身を含む): 21004492032

約数和(自身を除く): 825631745

約数列:

[1, 31, 137, 1213, 3917, 4247, 37603, 121427, 166181, 536629, 4751321, 5151611, 16635499, 147290951, 650930977, 20178860287]

約数ペア:

[(1, 20178860287), (31, 650930977), (137, 147290951), (1213, 16635499), (3917, 5151611), (4247, 4751321), (37603, 536629), (121427, 166181)]