20176746488

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1\times {\mathrm{2957}}^1$

素因数の和:3368

約数の個数: 64

約数和(自身を含む): 39447414720

約数和(自身を除く): 19270668232

約数列:

[1, 2, 4, 8, 41, 71, 82, 142, 164, 284, 293, 328, 568, 586, 1172, 2344, 2911, 2957, 5822, 5914, 11644, 11828, 12013, 20803, 23288, 23656, 24026, 41606, 48052, 83212, 96104, 121237, 166424, 209947, 242474, 419894, 484948, 839788, 852923, 866401, 969896, 1679576, 1705846, 1732802, 3411692, 3465604, 6823384, 6931208, 8607827, 17215654, 34431308, 35522441, 61514471, 68862616, 71044882, 123028942, 142089764, 246057884, 284179528, 492115768, 2522093311, 5044186622, 10088373244, 20176746488]

約数ペア:

[(1, 20176746488), (2, 10088373244), (4, 5044186622), (8, 2522093311), (41, 492115768), (71, 284179528), (82, 246057884), (142, 142089764), (164, 123028942), (284, 71044882), (293, 68862616), (328, 61514471), (568, 35522441), (586, 34431308), (1172, 17215654), (2344, 8607827), (2911, 6931208), (2957, 6823384), (5822, 3465604), (5914, 3411692), (11644, 1732802), (11828, 1705846), (12013, 1679576), (20803, 969896), (23288, 866401), (23656, 852923), (24026, 839788), (41606, 484948), (48052, 419894), (83212, 242474), (96104, 209947), (121237, 166424)]