20655297

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{709}}^1$

素因数の和:814

約数の個数: 32

約数和(自身を含む): 33398400

約数和(自身を除く): 12743103

約数列:

[1, 3, 9, 13, 27, 39, 83, 117, 249, 351, 709, 747, 1079, 2127, 2241, 3237, 6381, 9217, 9711, 19143, 27651, 29133, 58847, 82953, 176541, 248859, 529623, 765011, 1588869, 2295033, 6885099, 20655297]

約数ペア:

[(1, 20655297), (3, 6885099), (9, 2295033), (13, 1588869), (27, 765011), (39, 529623), (83, 248859), (117, 176541), (249, 82953), (351, 58847), (709, 29133), (747, 27651), (1079, 19143), (2127, 9711), (2241, 9217), (3237, 6381)]