20842584

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1279}}^1$

素因数の和:1392

約数の個数: 64

約数和(自身を含む): 60211200

約数和(自身を除く): 39368616

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 97, 168, 194, 291, 388, 582, 679, 776, 1164, 1279, 1358, 2037, 2328, 2558, 2716, 3837, 4074, 5116, 5432, 7674, 8148, 8953, 10232, 15348, 16296, 17906, 26859, 30696, 35812, 53718, 71624, 107436, 124063, 214872, 248126, 372189, 496252, 744378, 868441, 992504, 1488756, 1736882, 2605323, 2977512, 3473764, 5210646, 6947528, 10421292, 20842584]

約数ペア:

[(1, 20842584), (2, 10421292), (3, 6947528), (4, 5210646), (6, 3473764), (7, 2977512), (8, 2605323), (12, 1736882), (14, 1488756), (21, 992504), (24, 868441), (28, 744378), (42, 496252), (56, 372189), (84, 248126), (97, 214872), (168, 124063), (194, 107436), (291, 71624), (388, 53718), (582, 35812), (679, 30696), (776, 26859), (1164, 17906), (1279, 16296), (1358, 15348), (2037, 10232), (2328, 8953), (2558, 8148), (2716, 7674), (3837, 5432), (4074, 5116)]