20172972138

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{470957}}^1$

素因数の和:471043

約数の個数: 48

約数和(自身を含む): 45098938080

約数和(自身を除く): 24925965942

約数列:

[1, 2, 3, 6, 11, 22, 33, 59, 66, 118, 121, 177, 242, 354, 363, 649, 726, 1298, 1947, 3894, 7139, 14278, 21417, 42834, 470957, 941914, 1412871, 2825742, 5180527, 10361054, 15541581, 27786463, 31083162, 55572926, 56985797, 83359389, 113971594, 166718778, 170957391, 305651093, 341914782, 611302186, 916953279, 1833906558, 3362162023, 6724324046, 10086486069, 20172972138]

約数ペア:

[(1, 20172972138), (2, 10086486069), (3, 6724324046), (6, 3362162023), (11, 1833906558), (22, 916953279), (33, 611302186), (59, 341914782), (66, 305651093), (118, 170957391), (121, 166718778), (177, 113971594), (242, 83359389), (354, 56985797), (363, 55572926), (649, 31083162), (726, 27786463), (1298, 15541581), (1947, 10361054), (3894, 5180527), (7139, 2825742), (14278, 1412871), (21417, 941914), (42834, 470957)]