20081264

素因数分解:

$2^4\times 7^1\times {\mathrm{193}}^1\times {\mathrm{929}}^1$

素因数の和:1137

約数の個数: 40

約数和(自身を含む): 44744160

約数和(自身を除く): 24662896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193, 386, 772, 929, 1351, 1544, 1858, 2702, 3088, 3716, 5404, 6503, 7432, 10808, 13006, 14864, 21616, 26012, 52024, 104048, 179297, 358594, 717188, 1255079, 1434376, 2510158, 2868752, 5020316, 10040632, 20081264]

約数ペア:

[(1, 20081264), (2, 10040632), (4, 5020316), (7, 2868752), (8, 2510158), (14, 1434376), (16, 1255079), (28, 717188), (56, 358594), (112, 179297), (193, 104048), (386, 52024), (772, 26012), (929, 21616), (1351, 14864), (1544, 13006), (1858, 10808), (2702, 7432), (3088, 6503), (3716, 5404)]