20526610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157897}}^1$

素因数の和:157917

約数の個数: 16

約数和(自身を含む): 39790296

約数和(自身を除く): 19263686

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157897, 315794, 789485, 1578970, 2052661, 4105322, 10263305, 20526610]

約数ペア:

[(1, 20526610), (2, 10263305), (5, 4105322), (10, 2052661), (13, 1578970), (26, 789485), (65, 315794), (130, 157897)]