20120040101

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1\times {\mathrm{176521}}^1$

素因数の和:177404

約数の個数: 16

約数和(自身を含む): 24232940160

約数和(自身を除く): 4112900059

約数列:

[1, 7, 19, 133, 857, 5999, 16283, 113981, 176521, 1235647, 3353899, 23477293, 151278497, 1058949479, 2874291443, 20120040101]

約数ペア:

[(1, 20120040101), (7, 2874291443), (19, 1058949479), (133, 151278497), (857, 23477293), (5999, 3353899), (16283, 1235647), (113981, 176521)]