20215533

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{30491}}^1$

素因数の和:30524

約数の個数: 16

約数和(自身を含む): 30735936

約数和(自身を除く): 10520403

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 30491, 91473, 396383, 518347, 1189149, 1555041, 6738511, 20215533]

約数ペア:

[(1, 20215533), (3, 6738511), (13, 1555041), (17, 1189149), (39, 518347), (51, 396383), (221, 91473), (663, 30491)]