20965436

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{14519}}^1$

素因数の和:14561

約数の個数: 18

約数和(自身を含む): 38724840

約数和(自身を除く): 17759404

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 14519, 29038, 58076, 275861, 551722, 1103444, 5241359, 10482718, 20965436]

約数ペア:

[(1, 20965436), (2, 10482718), (4, 5241359), (19, 1103444), (38, 551722), (76, 275861), (361, 58076), (722, 29038), (1444, 14519)]