20178245577

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2902927}}^1$

素因数の和:2903268

約数の個数: 16

約数和(自身を含む): 30840707072

約数和(自身を除く): 10662461495

約数列:

[1, 3, 7, 21, 331, 993, 2317, 6951, 2902927, 8708781, 20320489, 60961467, 960868837, 2882606511, 6726081859, 20178245577]

約数ペア:

[(1, 20178245577), (3, 6726081859), (7, 2882606511), (21, 960868837), (331, 60961467), (993, 20320489), (2317, 8708781), (6951, 2902927)]