20139717

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{17807}}^1$

素因数の和:17852

約数の個数: 16

約数和(自身を含む): 29917440

約数和(自身を除く): 9777723

約数列:

[1, 3, 13, 29, 39, 87, 377, 1131, 17807, 53421, 231491, 516403, 694473, 1549209, 6713239, 20139717]

約数ペア:

[(1, 20139717), (3, 6713239), (13, 1549209), (29, 694473), (39, 516403), (87, 231491), (377, 53421), (1131, 17807)]