20590017

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{5417}}^1$

素因数の和:5608

約数の個数: 16

約数和(自身を含む): 31554432

約数和(自身を除く): 10964415

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 5417, 16251, 37919, 113757, 980477, 2941431, 6863339, 20590017]

約数ペア:

[(1, 20590017), (3, 6863339), (7, 2941431), (21, 980477), (181, 113757), (543, 37919), (1267, 16251), (3801, 5417)]