20494144

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:743

約数の個数: 56

約数和(自身を含む): 45463968

約数和(自身を除く): 24969824

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 64, 86, 88, 172, 176, 344, 352, 473, 677, 688, 704, 946, 1354, 1376, 1892, 2708, 2752, 3784, 5416, 7447, 7568, 10832, 14894, 15136, 21664, 29111, 29788, 30272, 43328, 58222, 59576, 116444, 119152, 232888, 238304, 320221, 465776, 476608, 640442, 931552, 1280884, 1863104, 2561768, 5123536, 10247072, 20494144]

約数ペア:

[(1, 20494144), (2, 10247072), (4, 5123536), (8, 2561768), (11, 1863104), (16, 1280884), (22, 931552), (32, 640442), (43, 476608), (44, 465776), (64, 320221), (86, 238304), (88, 232888), (172, 119152), (176, 116444), (344, 59576), (352, 58222), (473, 43328), (677, 30272), (688, 29788), (704, 29111), (946, 21664), (1354, 15136), (1376, 14894), (1892, 10832), (2708, 7568), (2752, 7447), (3784, 5416)]