20825856

素因数分解:

$2^8\times 3^3\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 64753920

約数和(自身を除く): 43928064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 92, 96, 108, 128, 131, 138, 144, 184, 192, 207, 216, 256, 262, 276, 288, 368, 384, 393, 414, 432, 524, 552, 576, 621, 736, 768, 786, 828, 864, 1048, 1104, 1152, 1179, 1242, 1472, 1572, 1656, 1728, 2096, 2208, 2304, 2358, 2484, 2944, 3013, 3144, 3312, 3456, 3537, 4192, 4416, 4716, 4968, 5888, 6026, 6288, 6624, 6912, 7074, 8384, 8832, 9039, 9432, 9936, 12052, 12576, 13248, 14148, 16768, 17664, 18078, 18864, 19872, 24104, 25152, 26496, 27117, 28296, 33536, 36156, 37728, 39744, 48208, 50304, 52992, 54234, 56592, 72312, 75456, 79488, 81351, 96416, 100608, 108468, 113184, 144624, 150912, 158976, 162702, 192832, 216936, 226368, 289248, 301824, 325404, 385664, 433872, 452736, 578496, 650808, 771328, 867744, 905472, 1156992, 1301616, 1735488, 2313984, 2603232, 3470976, 5206464, 6941952, 10412928, 20825856]

約数ペア:

[(1, 20825856), (2, 10412928), (3, 6941952), (4, 5206464), (6, 3470976), (8, 2603232), (9, 2313984), (12, 1735488), (16, 1301616), (18, 1156992), (23, 905472), (24, 867744), (27, 771328), (32, 650808), (36, 578496), (46, 452736), (48, 433872), (54, 385664), (64, 325404), (69, 301824), (72, 289248), (92, 226368), (96, 216936), (108, 192832), (128, 162702), (131, 158976), (138, 150912), (144, 144624), (184, 113184), (192, 108468), (207, 100608), (216, 96416), (256, 81351), (262, 79488), (276, 75456), (288, 72312), (368, 56592), (384, 54234), (393, 52992), (414, 50304), (432, 48208), (524, 39744), (552, 37728), (576, 36156), (621, 33536), (736, 28296), (768, 27117), (786, 26496), (828, 25152), (864, 24104), (1048, 19872), (1104, 18864), (1152, 18078), (1179, 17664), (1242, 16768), (1472, 14148), (1572, 13248), (1656, 12576), (1728, 12052), (2096, 9936), (2208, 9432), (2304, 9039), (2358, 8832), (2484, 8384), (2944, 7074), (3013, 6912), (3144, 6624), (3312, 6288), (3456, 6026), (3537, 5888), (4192, 4968), (4416, 4716)]