20075768

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 18804232

約数列:

[1, 2, 4, 8, 47, 94, 107, 188, 214, 376, 428, 499, 856, 998, 1996, 3992, 5029, 10058, 20116, 23453, 40232, 46906, 53393, 93812, 106786, 187624, 213572, 427144, 2509471, 5018942, 10037884, 20075768]

約数ペア:

[(1, 20075768), (2, 10037884), (4, 5018942), (8, 2509471), (47, 427144), (94, 213572), (107, 187624), (188, 106786), (214, 93812), (376, 53393), (428, 46906), (499, 40232), (856, 23453), (998, 20116), (1996, 10058), (3992, 5029)]