20564674

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21377}}^1$

素因数の和:21429

約数の個数: 16

約数和(自身を含む): 34119288

約数和(自身を除く): 13554614

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 21377, 42754, 277901, 555802, 790949, 1581898, 10282337, 20564674]

約数ペア:

[(1, 20564674), (2, 10282337), (13, 1581898), (26, 790949), (37, 555802), (74, 277901), (481, 42754), (962, 21377)]