20120907723

素因数分解:

$3^1\times 7^1\times {\mathrm{12401}}^1\times {\mathrm{77263}}^1$

素因数の和:89674

約数の個数: 16

約数和(自身を含む): 30663300096

約数和(自身を除く): 10542392373

約数列:

[1, 3, 7, 21, 12401, 37203, 77263, 86807, 231789, 260421, 540841, 1622523, 958138463, 2874415389, 6706969241, 20120907723]

約数ペア:

[(1, 20120907723), (3, 6706969241), (7, 2874415389), (21, 958138463), (12401, 1622523), (37203, 540841), (77263, 260421), (86807, 231789)]