20168720017

素因数分解:

${\mathrm{37}}^1\times {\mathrm{563}}^1\times {\mathrm{977}}^1\times {\mathrm{991}}^1$

素因数の和:2568

約数の個数: 16

約数和(自身を含む): 20792812032

約数和(自身を除く): 624092015

約数列:

[1, 37, 563, 977, 991, 20831, 36149, 36667, 550051, 557933, 968207, 20351887, 20643521, 35823659, 545100541, 20168720017]

約数ペア:

[(1, 20168720017), (37, 545100541), (563, 35823659), (977, 20643521), (991, 20351887), (20831, 968207), (36149, 557933), (36667, 550051)]