20804719

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4093}}^1$

素因数の和:4146

約数の個数: 16

約数和(自身を含む): 24760512

約数和(自身を除く): 3955793

約数列:

[1, 13, 17, 23, 221, 299, 391, 4093, 5083, 53209, 69581, 94139, 904553, 1223807, 1600363, 20804719]

約数ペア:

[(1, 20804719), (13, 1600363), (17, 1223807), (23, 904553), (221, 94139), (299, 69581), (391, 53209), (4093, 5083)]