20656314

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2309}}^1$

素因数の和:2395

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 31235526

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2309, 2982, 4473, 4618, 6927, 8946, 13854, 16163, 20781, 32326, 41562, 48489, 96978, 145467, 163939, 290934, 327878, 491817, 983634, 1147573, 1475451, 2295146, 2950902, 3442719, 6885438, 10328157, 20656314]

約数ペア:

[(1, 20656314), (2, 10328157), (3, 6885438), (6, 3442719), (7, 2950902), (9, 2295146), (14, 1475451), (18, 1147573), (21, 983634), (42, 491817), (63, 327878), (71, 290934), (126, 163939), (142, 145467), (213, 96978), (426, 48489), (497, 41562), (639, 32326), (994, 20781), (1278, 16163), (1491, 13854), (2309, 8946), (2982, 6927), (4473, 4618)]