20717398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{1721}}^1$

素因数の和:2199

約数の個数: 16

約数和(自身を含む): 33558336

約数和(自身を除く): 12840938

約数列:

[1, 2, 13, 26, 463, 926, 1721, 3442, 6019, 12038, 22373, 44746, 796823, 1593646, 10358699, 20717398]

約数ペア:

[(1, 20717398), (2, 10358699), (13, 1593646), (26, 796823), (463, 44746), (926, 22373), (1721, 12038), (3442, 6019)]