20003395321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12930443}}^1$

素因数の和:12930480

約数の個数: 16

約数和(自身を含む): 26067775104

約数和(自身を除く): 6064379783

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 12930443, 90513101, 168095759, 219817531, 1176670313, 1538722717, 2857627903, 20003395321]

約数ペア:

[(1, 20003395321), (7, 2857627903), (13, 1538722717), (17, 1176670313), (91, 219817531), (119, 168095759), (221, 90513101), (1547, 12930443)]