20267872016

素因数分解:

$2^4\times 7^1\times {\mathrm{2381}}^1\times {\mathrm{76003}}^1$

素因数の和:78399

約数の個数: 40

約数和(自身を含む): 44898298944

約数和(自身を除く): 24630426928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2381, 4762, 9524, 16667, 19048, 33334, 38096, 66668, 76003, 133336, 152006, 266672, 304012, 532021, 608024, 1064042, 1216048, 2128084, 4256168, 8512336, 180963143, 361926286, 723852572, 1266742001, 1447705144, 2533484002, 2895410288, 5066968004, 10133936008, 20267872016]

約数ペア:

[(1, 20267872016), (2, 10133936008), (4, 5066968004), (7, 2895410288), (8, 2533484002), (14, 1447705144), (16, 1266742001), (28, 723852572), (56, 361926286), (112, 180963143), (2381, 8512336), (4762, 4256168), (9524, 2128084), (16667, 1216048), (19048, 1064042), (33334, 608024), (38096, 532021), (66668, 304012), (76003, 266672), (133336, 152006)]