20289416

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19069}}^1$

素因数の和:19101

約数の個数: 32

約数和(自身を含む): 45768000

約数和(自身を除く): 25478584

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19069, 38138, 76276, 133483, 152552, 266966, 362311, 533932, 724622, 1067864, 1449244, 2536177, 2898488, 5072354, 10144708, 20289416]

約数ペア:

[(1, 20289416), (2, 10144708), (4, 5072354), (7, 2898488), (8, 2536177), (14, 1449244), (19, 1067864), (28, 724622), (38, 533932), (56, 362311), (76, 266966), (133, 152552), (152, 133483), (266, 76276), (532, 38138), (1064, 19069)]