20457586

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1\times {\mathrm{677}}^1$

素因数の和:1229

約数の個数: 16

約数和(自身を含む): 31852440

約数和(自身を除く): 11394854

約数列:

[1, 2, 29, 58, 521, 677, 1042, 1354, 15109, 19633, 30218, 39266, 352717, 705434, 10228793, 20457586]

約数ペア:

[(1, 20457586), (2, 10228793), (29, 705434), (58, 352717), (521, 39266), (677, 30218), (1042, 19633), (1354, 15109)]