20421697428

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{2683}}^1$

素因数の和:2899

約数の個数: 192

約数和(自身を含む): 59520384000

約数和(自身を除く): 39098686572

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 43, 44, 54, 66, 86, 99, 108, 129, 132, 149, 172, 198, 258, 297, 298, 387, 396, 447, 473, 516, 594, 596, 774, 894, 946, 1161, 1188, 1341, 1419, 1548, 1639, 1788, 1892, 2322, 2682, 2683, 2838, 3278, 4023, 4257, 4644, 4917, 5364, 5366, 5676, 6407, 6556, 8046, 8049, 8514, 9834, 10732, 12771, 12814, 14751, 16092, 16098, 17028, 19221, 19668, 24147, 25542, 25628, 29502, 29513, 32196, 38442, 44253, 48294, 51084, 57663, 59004, 59026, 70477, 72441, 76884, 88506, 88539, 96588, 115326, 115369, 118052, 140954, 144882, 172989, 177012, 177078, 211431, 230652, 230738, 265617, 281908, 289764, 345978, 346107, 354156, 399767, 422862, 461476, 531234, 634293, 691956, 692214, 796851, 799534, 845724, 1038321, 1062468, 1199301, 1268586, 1269059, 1384428, 1593702, 1599068, 1902879, 2076642, 2398602, 2537172, 2538118, 3114963, 3187404, 3597903, 3805758, 3807177, 4153284, 4397437, 4797204, 5076236, 6229926, 7195806, 7611516, 7614354, 8794874, 10793709, 11421531, 12459852, 13192311, 14391612, 15228708, 17189981, 17589748, 21587418, 22843062, 26384622, 34264593, 34379962, 39576933, 43174836, 45686124, 51569943, 52769244, 68529186, 68759924, 79153866, 103139886, 118730799, 137058372, 154709829, 158307732, 189089791, 206279772, 237461598, 309419658, 378179582, 464129487, 474923196, 567269373, 618839316, 756359164, 928258974, 1134538746, 1701808119, 1856517948, 2269077492, 3403616238, 5105424357, 6807232476, 10210848714, 20421697428]

約数ペア:

[(1, 20421697428), (2, 10210848714), (3, 6807232476), (4, 5105424357), (6, 3403616238), (9, 2269077492), (11, 1856517948), (12, 1701808119), (18, 1134538746), (22, 928258974), (27, 756359164), (33, 618839316), (36, 567269373), (43, 474923196), (44, 464129487), (54, 378179582), (66, 309419658), (86, 237461598), (99, 206279772), (108, 189089791), (129, 158307732), (132, 154709829), (149, 137058372), (172, 118730799), (198, 103139886), (258, 79153866), (297, 68759924), (298, 68529186), (387, 52769244), (396, 51569943), (447, 45686124), (473, 43174836), (516, 39576933), (594, 34379962), (596, 34264593), (774, 26384622), (894, 22843062), (946, 21587418), (1161, 17589748), (1188, 17189981), (1341, 15228708), (1419, 14391612), (1548, 13192311), (1639, 12459852), (1788, 11421531), (1892, 10793709), (2322, 8794874), (2682, 7614354), (2683, 7611516), (2838, 7195806), (3278, 6229926), (4023, 5076236), (4257, 4797204), (4644, 4397437), (4917, 4153284), (5364, 3807177), (5366, 3805758), (5676, 3597903), (6407, 3187404), (6556, 3114963), (8046, 2538118), (8049, 2537172), (8514, 2398602), (9834, 2076642), (10732, 1902879), (12771, 1599068), (12814, 1593702), (14751, 1384428), (16092, 1269059), (16098, 1268586), (17028, 1199301), (19221, 1062468), (19668, 1038321), (24147, 845724), (25542, 799534), (25628, 796851), (29502, 692214), (29513, 691956), (32196, 634293), (38442, 531234), (44253, 461476), (48294, 422862), (51084, 399767), (57663, 354156), (59004, 346107), (59026, 345978), (70477, 289764), (72441, 281908), (76884, 265617), (88506, 230738), (88539, 230652), (96588, 211431), (115326, 177078), (115369, 177012), (118052, 172989), (140954, 144882)]