20158906464

素因数分解:

$2^5\times 3^2\times {\mathrm{109}}^1\times {\mathrm{541}}^1\times {\mathrm{1187}}^1$

素因数の和:1853

約数の個数: 144

約数和(自身を含む): 58008590640

約数和(自身を除く): 37849684176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 109, 144, 218, 288, 327, 436, 541, 654, 872, 981, 1082, 1187, 1308, 1623, 1744, 1962, 2164, 2374, 2616, 3246, 3488, 3561, 3924, 4328, 4748, 4869, 5232, 6492, 7122, 7848, 8656, 9496, 9738, 10464, 10683, 12984, 14244, 15696, 17312, 18992, 19476, 21366, 25968, 28488, 31392, 37984, 38952, 42732, 51936, 56976, 58969, 77904, 85464, 113952, 117938, 129383, 155808, 170928, 176907, 235876, 258766, 341856, 353814, 388149, 471752, 517532, 530721, 642167, 707628, 776298, 943504, 1035064, 1061442, 1164447, 1284334, 1415256, 1552596, 1887008, 1926501, 2070128, 2122884, 2328894, 2568668, 2830512, 3105192, 3853002, 4140256, 4245768, 4657788, 5137336, 5661024, 5779503, 6210384, 7706004, 8491536, 9315576, 10274672, 11559006, 12420768, 15412008, 16983072, 18631152, 20549344, 23118012, 30824016, 37262304, 46236024, 61648032, 69996203, 92472048, 139992406, 184944096, 209988609, 279984812, 419977218, 559969624, 629965827, 839954436, 1119939248, 1259931654, 1679908872, 2239878496, 2519863308, 3359817744, 5039726616, 6719635488, 10079453232, 20158906464]

約数ペア:

[(1, 20158906464), (2, 10079453232), (3, 6719635488), (4, 5039726616), (6, 3359817744), (8, 2519863308), (9, 2239878496), (12, 1679908872), (16, 1259931654), (18, 1119939248), (24, 839954436), (32, 629965827), (36, 559969624), (48, 419977218), (72, 279984812), (96, 209988609), (109, 184944096), (144, 139992406), (218, 92472048), (288, 69996203), (327, 61648032), (436, 46236024), (541, 37262304), (654, 30824016), (872, 23118012), (981, 20549344), (1082, 18631152), (1187, 16983072), (1308, 15412008), (1623, 12420768), (1744, 11559006), (1962, 10274672), (2164, 9315576), (2374, 8491536), (2616, 7706004), (3246, 6210384), (3488, 5779503), (3561, 5661024), (3924, 5137336), (4328, 4657788), (4748, 4245768), (4869, 4140256), (5232, 3853002), (6492, 3105192), (7122, 2830512), (7848, 2568668), (8656, 2328894), (9496, 2122884), (9738, 2070128), (10464, 1926501), (10683, 1887008), (12984, 1552596), (14244, 1415256), (15696, 1284334), (17312, 1164447), (18992, 1061442), (19476, 1035064), (21366, 943504), (25968, 776298), (28488, 707628), (31392, 642167), (37984, 530721), (38952, 517532), (42732, 471752), (51936, 388149), (56976, 353814), (58969, 341856), (77904, 258766), (85464, 235876), (113952, 176907), (117938, 170928), (129383, 155808)]