20154722091

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1651891}}^1$

素因数の和:1651991

約数の個数: 24

約数和(自身を含む): 31637035584

約数和(自身を除く): 11482313493

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1743, 4067, 12201, 1651891, 4955673, 11563237, 34689711, 80942659, 137106953, 242827977, 411320859, 959748671, 2879246013, 6718240697, 20154722091]

約数ペア:

[(1, 20154722091), (3, 6718240697), (7, 2879246013), (21, 959748671), (49, 411320859), (83, 242827977), (147, 137106953), (249, 80942659), (581, 34689711), (1743, 11563237), (4067, 4955673), (12201, 1651891)]