20680491

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{1181}}^1$

素因数の和:1646

約数の個数: 16

約数和(自身を含む): 29786400

約数和(自身を除く): 9105909

約数列:

[1, 3, 13, 39, 449, 1181, 1347, 3543, 5837, 15353, 17511, 46059, 530269, 1590807, 6893497, 20680491]

約数ペア:

[(1, 20680491), (3, 6893497), (13, 1590807), (39, 530269), (449, 46059), (1181, 17511), (1347, 15353), (3543, 5837)]