20106489

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3709}}^1$

素因数の和:3864

約数の個数: 16

約数和(自身を含む): 29086400

約数和(自身を除く): 8979911

約数列:

[1, 3, 13, 39, 139, 417, 1807, 3709, 5421, 11127, 48217, 144651, 515551, 1546653, 6702163, 20106489]

約数ペア:

[(1, 20106489), (3, 6702163), (13, 1546653), (39, 515551), (139, 144651), (417, 48217), (1807, 11127), (3709, 5421)]