20788894

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{599}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 37209600

約数和(自身を除く): 16420706

約数列:

[1, 2, 7, 14, 37, 67, 74, 134, 259, 469, 518, 599, 938, 1198, 2479, 4193, 4958, 8386, 17353, 22163, 34706, 40133, 44326, 80266, 155141, 280931, 310282, 561862, 1484921, 2969842, 10394447, 20788894]

約数ペア:

[(1, 20788894), (2, 10394447), (7, 2969842), (14, 1484921), (37, 561862), (67, 310282), (74, 280931), (134, 155141), (259, 80266), (469, 44326), (518, 40133), (599, 34706), (938, 22163), (1198, 17353), (2479, 8386), (4193, 4958)]