20807521107

素因数分解:

$3^1\times {\mathrm{353}}^1\times {\mathrm{1153}}^1\times {\mathrm{17041}}^1$

素因数の和:18550

約数の個数: 16

約数和(自身を含む): 27847718688

約数和(自身を除く): 7040197581

約数列:

[1, 3, 353, 1059, 1153, 3459, 17041, 51123, 407009, 1221027, 6015473, 18046419, 19648273, 58944819, 6935840369, 20807521107]

約数ペア:

[(1, 20807521107), (3, 6935840369), (353, 58944819), (1059, 19648273), (1153, 18046419), (3459, 6015473), (17041, 1221027), (51123, 407009)]