20013879

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{12659}}^1$

素因数の和:12710

約数の個数: 16

約数和(自身を含む): 29168640

約数和(自身を除く): 9154761

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 12659, 37977, 215203, 392429, 645609, 1177287, 6671293, 20013879]

約数ペア:

[(1, 20013879), (3, 6671293), (17, 1177287), (31, 645609), (51, 392429), (93, 215203), (527, 37977), (1581, 12659)]