20599345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10223}}^1$

素因数の和:10272

約数の個数: 16

約数和(自身を含む): 27482112

約数和(自身を除く): 6882767

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 10223, 51115, 132899, 316913, 664495, 1584565, 4119869, 20599345]

約数ペア:

[(1, 20599345), (5, 4119869), (13, 1584565), (31, 664495), (65, 316913), (155, 132899), (403, 51115), (2015, 10223)]