20772976

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^2\times {\mathrm{193}}^1$

素因数の和:270

約数の個数: 60

約数和(自身を含む): 47775216

約数和(自身を除く): 27002240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 193, 217, 248, 386, 434, 496, 772, 868, 961, 1351, 1544, 1736, 1922, 2702, 3088, 3472, 3844, 5404, 5983, 6727, 7688, 10808, 11966, 13454, 15376, 21616, 23932, 26908, 41881, 47864, 53816, 83762, 95728, 107632, 167524, 185473, 335048, 370946, 670096, 741892, 1298311, 1483784, 2596622, 2967568, 5193244, 10386488, 20772976]

約数ペア:

[(1, 20772976), (2, 10386488), (4, 5193244), (7, 2967568), (8, 2596622), (14, 1483784), (16, 1298311), (28, 741892), (31, 670096), (56, 370946), (62, 335048), (112, 185473), (124, 167524), (193, 107632), (217, 95728), (248, 83762), (386, 53816), (434, 47864), (496, 41881), (772, 26908), (868, 23932), (961, 21616), (1351, 15376), (1544, 13454), (1736, 11966), (1922, 10808), (2702, 7688), (3088, 6727), (3472, 5983), (3844, 5404)]