20172950321

素因数分解:

${\mathrm{139}}^1\times {\mathrm{2111}}^1\times {\mathrm{68749}}^1$

素因数の和:70999

約数の個数: 8

約数和(自身を含む): 20328000000

約数和(自身を除く): 155049679

約数列:

[1, 139, 2111, 68749, 293429, 9556111, 145129139, 20172950321]

約数ペア:

[(1, 20172950321), (139, 145129139), (2111, 9556111), (68749, 293429)]