20405266063

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9749291}}^1$

素因数の和:9749334

約数の個数: 16

約数和(自身を含む): 26206096896

約数和(自身を除く): 5800830833

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 9749291, 68245037, 126740783, 224233693, 887185481, 1569635851, 2915038009, 20405266063]

約数ペア:

[(1, 20405266063), (7, 2915038009), (13, 1569635851), (23, 887185481), (91, 224233693), (161, 126740783), (299, 68245037), (2093, 9749291)]