20902197

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{1759}}^1$

素因数の和:2012

約数の個数: 16

約数和(自身を含む): 29652480

約数和(自身を除く): 8750283

約数列:

[1, 3, 17, 51, 233, 699, 1759, 3961, 5277, 11883, 29903, 89709, 409847, 1229541, 6967399, 20902197]

約数ペア:

[(1, 20902197), (3, 6967399), (17, 1229541), (51, 409847), (233, 89709), (699, 29903), (1759, 11883), (3961, 5277)]