20647036

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{2287}}^1$

素因数の和:2389

約数の個数: 24

約数和(自身を含む): 37733696

約数和(自身を除く): 17086660

約数列:

[1, 2, 4, 37, 61, 74, 122, 148, 244, 2257, 2287, 4514, 4574, 9028, 9148, 84619, 139507, 169238, 279014, 338476, 558028, 5161759, 10323518, 20647036]

約数ペア:

[(1, 20647036), (2, 10323518), (4, 5161759), (37, 558028), (61, 338476), (74, 279014), (122, 169238), (148, 139507), (244, 84619), (2257, 9148), (2287, 9028), (4514, 4574)]