2020757072

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{739}}^1$

素因数の和:964

約数の個数: 80

約数和(自身を含む): 4184256000

約数和(自身を除く): 2163498928

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 148, 149, 248, 296, 298, 496, 592, 596, 739, 1147, 1192, 1478, 2294, 2384, 2956, 4588, 4619, 5513, 5912, 9176, 9238, 11026, 11824, 18352, 18476, 22052, 22909, 27343, 36952, 44104, 45818, 54686, 73904, 88208, 91636, 109372, 110111, 170903, 183272, 218744, 220222, 341806, 366544, 437488, 440444, 683612, 847633, 880888, 1367224, 1695266, 1761776, 2734448, 3390532, 3413441, 4074107, 6781064, 6826882, 8148214, 13562128, 13653764, 16296428, 27307528, 32592856, 54615056, 65185712, 126297317, 252594634, 505189268, 1010378536, 2020757072]

約数ペア:

[(1, 2020757072), (2, 1010378536), (4, 505189268), (8, 252594634), (16, 126297317), (31, 65185712), (37, 54615056), (62, 32592856), (74, 27307528), (124, 16296428), (148, 13653764), (149, 13562128), (248, 8148214), (296, 6826882), (298, 6781064), (496, 4074107), (592, 3413441), (596, 3390532), (739, 2734448), (1147, 1761776), (1192, 1695266), (1478, 1367224), (2294, 880888), (2384, 847633), (2956, 683612), (4588, 440444), (4619, 437488), (5513, 366544), (5912, 341806), (9176, 220222), (9238, 218744), (11026, 183272), (11824, 170903), (18352, 110111), (18476, 109372), (22052, 91636), (22909, 88208), (27343, 73904), (36952, 54686), (44104, 45818)]