20581475712

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{38867}}^1$

素因数の和:39088

約数の個数: 128

約数和(自身を含む): 62798250240

約数和(自身を除く): 42216774528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 197, 224, 336, 384, 394, 448, 591, 672, 788, 896, 1182, 1344, 1379, 1576, 2364, 2688, 2758, 3152, 4137, 4728, 5516, 6304, 8274, 9456, 11032, 12608, 16548, 18912, 22064, 25216, 33096, 37824, 38867, 44128, 66192, 75648, 77734, 88256, 116601, 132384, 155468, 176512, 233202, 264768, 272069, 310936, 466404, 529536, 544138, 621872, 816207, 932808, 1088276, 1243744, 1632414, 1865616, 2176552, 2487488, 3264828, 3731232, 4353104, 4974976, 6529656, 7462464, 7656799, 8706208, 13059312, 14924928, 15313598, 17412416, 22970397, 26118624, 30627196, 34824832, 45940794, 52237248, 53597593, 61254392, 91881588, 104474496, 107195186, 122508784, 160792779, 183763176, 214390372, 245017568, 321585558, 367526352, 428780744, 490035136, 643171116, 735052704, 857561488, 980070272, 1286342232, 1470105408, 1715122976, 2572684464, 2940210816, 3430245952, 5145368928, 6860491904, 10290737856, 20581475712]

約数ペア:

[(1, 20581475712), (2, 10290737856), (3, 6860491904), (4, 5145368928), (6, 3430245952), (7, 2940210816), (8, 2572684464), (12, 1715122976), (14, 1470105408), (16, 1286342232), (21, 980070272), (24, 857561488), (28, 735052704), (32, 643171116), (42, 490035136), (48, 428780744), (56, 367526352), (64, 321585558), (84, 245017568), (96, 214390372), (112, 183763176), (128, 160792779), (168, 122508784), (192, 107195186), (197, 104474496), (224, 91881588), (336, 61254392), (384, 53597593), (394, 52237248), (448, 45940794), (591, 34824832), (672, 30627196), (788, 26118624), (896, 22970397), (1182, 17412416), (1344, 15313598), (1379, 14924928), (1576, 13059312), (2364, 8706208), (2688, 7656799), (2758, 7462464), (3152, 6529656), (4137, 4974976), (4728, 4353104), (5516, 3731232), (6304, 3264828), (8274, 2487488), (9456, 2176552), (11032, 1865616), (12608, 1632414), (16548, 1243744), (18912, 1088276), (22064, 932808), (25216, 816207), (33096, 621872), (37824, 544138), (38867, 529536), (44128, 466404), (66192, 310936), (75648, 272069), (77734, 264768), (88256, 233202), (116601, 176512), (132384, 155468)]