20627824

素因数分解:

$2^4\times 7^2\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:422

約数の個数: 60

約数和(自身を含む): 47200104

約数和(自身を除く): 26572280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 83, 98, 112, 166, 196, 317, 332, 392, 581, 634, 664, 784, 1162, 1268, 1328, 2219, 2324, 2536, 4067, 4438, 4648, 5072, 8134, 8876, 9296, 15533, 16268, 17752, 26311, 31066, 32536, 35504, 52622, 62132, 65072, 105244, 124264, 184177, 210488, 248528, 368354, 420976, 736708, 1289239, 1473416, 2578478, 2946832, 5156956, 10313912, 20627824]

約数ペア:

[(1, 20627824), (2, 10313912), (4, 5156956), (7, 2946832), (8, 2578478), (14, 1473416), (16, 1289239), (28, 736708), (49, 420976), (56, 368354), (83, 248528), (98, 210488), (112, 184177), (166, 124264), (196, 105244), (317, 65072), (332, 62132), (392, 52622), (581, 35504), (634, 32536), (664, 31066), (784, 26311), (1162, 17752), (1268, 16268), (1328, 15533), (2219, 9296), (2324, 8876), (2536, 8134), (4067, 5072), (4438, 4648)]