20321000307

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{311}}^1\times {\mathrm{9719}}^1$

素因数の和:10125

約数の個数: 40

約数和(自身を含む): 30823752960

約数和(自身を除く): 10502752653

約数列:

[1, 3, 9, 27, 81, 83, 249, 311, 747, 933, 2241, 2799, 6723, 8397, 9719, 25191, 25813, 29157, 77439, 87471, 232317, 262413, 696951, 787239, 806677, 2090853, 2420031, 3022609, 7260093, 9067827, 21780279, 27203481, 65340837, 81610443, 244831329, 250876547, 752629641, 2257888923, 6773666769, 20321000307]

約数ペア:

[(1, 20321000307), (3, 6773666769), (9, 2257888923), (27, 752629641), (81, 250876547), (83, 244831329), (249, 81610443), (311, 65340837), (747, 27203481), (933, 21780279), (2241, 9067827), (2799, 7260093), (6723, 3022609), (8397, 2420031), (9719, 2090853), (25191, 806677), (25813, 787239), (29157, 696951), (77439, 262413), (87471, 232317)]