20176490818

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{53}}^2\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:640

約数の個数: 72

約数和(自身を含む): 34489438704

約数和(自身を除く): 14312947886

約数列:

[1, 2, 11, 22, 53, 67, 106, 121, 134, 242, 443, 583, 737, 886, 1166, 1474, 2809, 3551, 4873, 5618, 6413, 7102, 8107, 9746, 12826, 16214, 23479, 29681, 30899, 39061, 46958, 53603, 59362, 61798, 78122, 107206, 188203, 258269, 326491, 339889, 376406, 429671, 516538, 652982, 679778, 859342, 1244387, 1573093, 2070233, 2488774, 2840959, 3146186, 3591401, 4140466, 5681918, 7182802, 13688257, 17304023, 22772563, 27376514, 34608046, 45545126, 83373929, 150570827, 166747858, 190344253, 301141654, 380688506, 917113219, 1834226438, 10088245409, 20176490818]

約数ペア:

[(1, 20176490818), (2, 10088245409), (11, 1834226438), (22, 917113219), (53, 380688506), (67, 301141654), (106, 190344253), (121, 166747858), (134, 150570827), (242, 83373929), (443, 45545126), (583, 34608046), (737, 27376514), (886, 22772563), (1166, 17304023), (1474, 13688257), (2809, 7182802), (3551, 5681918), (4873, 4140466), (5618, 3591401), (6413, 3146186), (7102, 2840959), (8107, 2488774), (9746, 2070233), (12826, 1573093), (16214, 1244387), (23479, 859342), (29681, 679778), (30899, 652982), (39061, 516538), (46958, 429671), (53603, 376406), (59362, 339889), (61798, 326491), (78122, 258269), (107206, 188203)]