20121571311

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2694733}}^1$

素因数の和:2694886

約数の個数: 16

約数和(自身を含む): 28456391040

約数和(自身を除く): 8334819729

約数列:

[1, 3, 19, 57, 131, 393, 2489, 7467, 2694733, 8084199, 51199927, 153599781, 353010023, 1059030069, 6707190437, 20121571311]

約数ペア:

[(1, 20121571311), (3, 6707190437), (19, 1059030069), (57, 353010023), (131, 153599781), (393, 51199927), (2489, 8084199), (7467, 2694733)]