20577312

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 68402880

約数和(自身を除く): 47825568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 59, 63, 72, 84, 96, 112, 118, 126, 144, 168, 173, 177, 224, 236, 252, 288, 336, 346, 354, 413, 472, 504, 519, 531, 672, 692, 708, 826, 944, 1008, 1038, 1062, 1211, 1239, 1384, 1416, 1557, 1652, 1888, 2016, 2076, 2124, 2422, 2478, 2768, 2832, 3114, 3304, 3633, 3717, 4152, 4248, 4844, 4956, 5536, 5664, 6228, 6608, 7266, 7434, 8304, 8496, 9688, 9912, 10207, 10899, 12456, 13216, 14532, 14868, 16608, 16992, 19376, 19824, 20414, 21798, 24912, 29064, 29736, 30621, 38752, 39648, 40828, 43596, 49824, 58128, 59472, 61242, 71449, 81656, 87192, 91863, 116256, 118944, 122484, 142898, 163312, 174384, 183726, 214347, 244968, 285796, 326624, 348768, 367452, 428694, 489936, 571592, 643041, 734904, 857388, 979872, 1143184, 1286082, 1469808, 1714776, 2286368, 2572164, 2939616, 3429552, 5144328, 6859104, 10288656, 20577312]

約数ペア:

[(1, 20577312), (2, 10288656), (3, 6859104), (4, 5144328), (6, 3429552), (7, 2939616), (8, 2572164), (9, 2286368), (12, 1714776), (14, 1469808), (16, 1286082), (18, 1143184), (21, 979872), (24, 857388), (28, 734904), (32, 643041), (36, 571592), (42, 489936), (48, 428694), (56, 367452), (59, 348768), (63, 326624), (72, 285796), (84, 244968), (96, 214347), (112, 183726), (118, 174384), (126, 163312), (144, 142898), (168, 122484), (173, 118944), (177, 116256), (224, 91863), (236, 87192), (252, 81656), (288, 71449), (336, 61242), (346, 59472), (354, 58128), (413, 49824), (472, 43596), (504, 40828), (519, 39648), (531, 38752), (672, 30621), (692, 29736), (708, 29064), (826, 24912), (944, 21798), (1008, 20414), (1038, 19824), (1062, 19376), (1211, 16992), (1239, 16608), (1384, 14868), (1416, 14532), (1557, 13216), (1652, 12456), (1888, 10899), (2016, 10207), (2076, 9912), (2124, 9688), (2422, 8496), (2478, 8304), (2768, 7434), (2832, 7266), (3114, 6608), (3304, 6228), (3633, 5664), (3717, 5536), (4152, 4956), (4248, 4844)]