20326488

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 64350720

約数和(自身を除く): 44024232

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 41, 42, 52, 56, 78, 82, 84, 91, 104, 123, 156, 164, 168, 182, 227, 246, 273, 287, 312, 328, 364, 454, 492, 533, 546, 574, 681, 728, 861, 908, 984, 1066, 1092, 1148, 1362, 1589, 1599, 1722, 1816, 2132, 2184, 2296, 2724, 2951, 3178, 3198, 3444, 3731, 4264, 4767, 5448, 5902, 6356, 6396, 6888, 7462, 8853, 9307, 9534, 11193, 11804, 12712, 12792, 14924, 17706, 18614, 19068, 20657, 22386, 23608, 27921, 29848, 35412, 37228, 38136, 41314, 44772, 55842, 61971, 65149, 70824, 74456, 82628, 89544, 111684, 120991, 123942, 130298, 165256, 195447, 223368, 241982, 247884, 260596, 362973, 390894, 483964, 495768, 521192, 725946, 781788, 846937, 967928, 1451892, 1563576, 1693874, 2540811, 2903784, 3387748, 5081622, 6775496, 10163244, 20326488]

約数ペア:

[(1, 20326488), (2, 10163244), (3, 6775496), (4, 5081622), (6, 3387748), (7, 2903784), (8, 2540811), (12, 1693874), (13, 1563576), (14, 1451892), (21, 967928), (24, 846937), (26, 781788), (28, 725946), (39, 521192), (41, 495768), (42, 483964), (52, 390894), (56, 362973), (78, 260596), (82, 247884), (84, 241982), (91, 223368), (104, 195447), (123, 165256), (156, 130298), (164, 123942), (168, 120991), (182, 111684), (227, 89544), (246, 82628), (273, 74456), (287, 70824), (312, 65149), (328, 61971), (364, 55842), (454, 44772), (492, 41314), (533, 38136), (546, 37228), (574, 35412), (681, 29848), (728, 27921), (861, 23608), (908, 22386), (984, 20657), (1066, 19068), (1092, 18614), (1148, 17706), (1362, 14924), (1589, 12792), (1599, 12712), (1722, 11804), (1816, 11193), (2132, 9534), (2184, 9307), (2296, 8853), (2724, 7462), (2951, 6888), (3178, 6396), (3198, 6356), (3444, 5902), (3731, 5448), (4264, 4767)]