20203488

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:145

約数の個数: 144

約数和(自身を含む): 61916400

約数和(自身を除く): 41712912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 41, 48, 58, 59, 72, 82, 87, 96, 116, 118, 123, 144, 164, 174, 177, 232, 236, 246, 261, 288, 328, 348, 354, 369, 464, 472, 492, 522, 531, 656, 696, 708, 738, 928, 944, 984, 1044, 1062, 1189, 1312, 1392, 1416, 1476, 1711, 1888, 1968, 2088, 2124, 2378, 2419, 2784, 2832, 2952, 3422, 3567, 3936, 4176, 4248, 4756, 4838, 5133, 5664, 5904, 6844, 7134, 7257, 8352, 8496, 9512, 9676, 10266, 10701, 11808, 13688, 14268, 14514, 15399, 16992, 19024, 19352, 20532, 21402, 21771, 27376, 28536, 29028, 30798, 38048, 38704, 41064, 42804, 43542, 54752, 57072, 58056, 61596, 70151, 77408, 82128, 85608, 87084, 114144, 116112, 123192, 140302, 164256, 171216, 174168, 210453, 232224, 246384, 280604, 342432, 348336, 420906, 492768, 561208, 631359, 696672, 841812, 1122416, 1262718, 1683624, 2244832, 2525436, 3367248, 5050872, 6734496, 10101744, 20203488]

約数ペア:

[(1, 20203488), (2, 10101744), (3, 6734496), (4, 5050872), (6, 3367248), (8, 2525436), (9, 2244832), (12, 1683624), (16, 1262718), (18, 1122416), (24, 841812), (29, 696672), (32, 631359), (36, 561208), (41, 492768), (48, 420906), (58, 348336), (59, 342432), (72, 280604), (82, 246384), (87, 232224), (96, 210453), (116, 174168), (118, 171216), (123, 164256), (144, 140302), (164, 123192), (174, 116112), (177, 114144), (232, 87084), (236, 85608), (246, 82128), (261, 77408), (288, 70151), (328, 61596), (348, 58056), (354, 57072), (369, 54752), (464, 43542), (472, 42804), (492, 41064), (522, 38704), (531, 38048), (656, 30798), (696, 29028), (708, 28536), (738, 27376), (928, 21771), (944, 21402), (984, 20532), (1044, 19352), (1062, 19024), (1189, 16992), (1312, 15399), (1392, 14514), (1416, 14268), (1476, 13688), (1711, 11808), (1888, 10701), (1968, 10266), (2088, 9676), (2124, 9512), (2378, 8496), (2419, 8352), (2784, 7257), (2832, 7134), (2952, 6844), (3422, 5904), (3567, 5664), (3936, 5133), (4176, 4838), (4248, 4756)]