20194085781

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{3155819}}^1$

素因数の和:3155910

約数の個数: 20

約数和(自身を含む): 30548337600

約数和(自身を除く): 10354251819

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 3155819, 9467457, 28402371, 85207113, 249309701, 255621339, 747929103, 2243787309, 6731361927, 20194085781]

約数ペア:

[(1, 20194085781), (3, 6731361927), (9, 2243787309), (27, 747929103), (79, 255621339), (81, 249309701), (237, 85207113), (711, 28402371), (2133, 9467457), (6399, 3155819)]