20512222

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{1409}}^1$

素因数の和:1691

約数の個数: 16

約数和(自身を含む): 31978800

約数和(自身を除く): 11466578

約数列:

[1, 2, 29, 58, 251, 502, 1409, 2818, 7279, 14558, 40861, 81722, 353659, 707318, 10256111, 20512222]

約数ペア:

[(1, 20512222), (2, 10256111), (29, 707318), (58, 353659), (251, 81722), (502, 40861), (1409, 14558), (2818, 7279)]