20712109

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{877}}^1$

素因数の和:1020

約数の個数: 16

約数和(自身を含む): 24022080

約数和(自身を除く): 3309971

約数列:

[1, 11, 19, 113, 209, 877, 1243, 2147, 9647, 16663, 23617, 99101, 183293, 1090111, 1882919, 20712109]

約数ペア:

[(1, 20712109), (11, 1882919), (19, 1090111), (113, 183293), (209, 99101), (877, 23617), (1243, 16663), (2147, 9647)]