20398079

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4013}}^1$

素因数の和:4066

約数の個数: 16

約数和(自身を含む): 24276672

約数和(自身を除く): 3878593

約数列:

[1, 13, 17, 23, 221, 299, 391, 4013, 5083, 52169, 68221, 92299, 886873, 1199887, 1569083, 20398079]

約数ペア:

[(1, 20398079), (13, 1569083), (17, 1199887), (23, 886873), (221, 92299), (299, 68221), (391, 52169), (4013, 5083)]