20171455915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3928229}}^1$

素因数の和:3928326

約数の個数: 16

約数和(自身を含む): 26397705600

約数和(自身を除く): 6226249685

約数列:

[1, 5, 13, 65, 79, 395, 1027, 5135, 3928229, 19641145, 51066977, 255334885, 310330091, 1551650455, 4034291183, 20171455915]

約数ペア:

[(1, 20171455915), (5, 4034291183), (13, 1551650455), (65, 310330091), (79, 255334885), (395, 51066977), (1027, 19641145), (5135, 3928229)]