20375454

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2221}}^1$

素因数の和:2376

約数の個数: 32

約数和(自身を含む): 44795520

約数和(自身を除く): 24420066

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 139, 278, 417, 834, 1529, 2221, 3058, 4442, 4587, 6663, 9174, 13326, 24431, 48862, 73293, 146586, 308719, 617438, 926157, 1852314, 3395909, 6791818, 10187727, 20375454]

約数ペア:

[(1, 20375454), (2, 10187727), (3, 6791818), (6, 3395909), (11, 1852314), (22, 926157), (33, 617438), (66, 308719), (139, 146586), (278, 73293), (417, 48862), (834, 24431), (1529, 13326), (2221, 9174), (3058, 6663), (4442, 4587)]