20138936

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2819}}^1$

素因数の和:2891

約数の個数: 32

約数和(自身を含む): 40608000

約数和(自身を除く): 20469064

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 1786, 2819, 3572, 5638, 7144, 11276, 22552, 53561, 107122, 132493, 214244, 264986, 428488, 529972, 1059944, 2517367, 5034734, 10069468, 20138936]

約数ペア:

[(1, 20138936), (2, 10069468), (4, 5034734), (8, 2517367), (19, 1059944), (38, 529972), (47, 428488), (76, 264986), (94, 214244), (152, 132493), (188, 107122), (376, 53561), (893, 22552), (1786, 11276), (2819, 7144), (3572, 5638)]