20498603328

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{197}}^2$

素因数の和:550

約数の個数: 252

約数和(自身を含む): 68006988192

約数和(自身を除く): 47508384864

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 131, 144, 168, 192, 197, 224, 252, 262, 288, 336, 393, 394, 448, 504, 524, 576, 591, 672, 786, 788, 917, 1008, 1048, 1179, 1182, 1344, 1379, 1572, 1576, 1773, 1834, 2016, 2096, 2358, 2364, 2751, 2758, 3144, 3152, 3546, 3668, 4032, 4137, 4192, 4716, 4728, 5502, 5516, 6288, 6304, 7092, 7336, 8253, 8274, 8384, 9432, 9456, 11004, 11032, 12411, 12576, 12608, 14184, 14672, 16506, 16548, 18864, 18912, 22008, 22064, 24822, 25152, 25807, 28368, 29344, 33012, 33096, 37728, 37824, 38809, 44016, 44128, 49644, 51614, 56736, 58688, 66024, 66192, 75456, 77421, 77618, 88032, 88256, 99288, 103228, 113472, 116427, 132048, 132384, 154842, 155236, 176064, 180649, 198576, 206456, 232263, 232854, 264096, 264768, 271663, 309684, 310472, 349281, 361298, 397152, 412912, 464526, 465708, 528192, 541947, 543326, 619368, 620944, 698562, 722596, 794304, 814989, 825824, 929052, 931416, 1083894, 1086652, 1238736, 1241888, 1397124, 1445192, 1625841, 1629978, 1651648, 1858104, 1862832, 2167788, 2173304, 2444967, 2477472, 2483776, 2794248, 2890384, 3251682, 3259956, 3716208, 3725664, 4335576, 4346608, 4889934, 4954944, 5083979, 5588496, 5780768, 6503364, 6519912, 7432416, 7451328, 8671152, 8693216, 9779868, 10167958, 11176992, 11561536, 13006728, 13039824, 14864832, 15251937, 17342304, 17386432, 19559736, 20335916, 22353984, 26013456, 26079648, 30503874, 34684608, 35587853, 39119472, 40671832, 45755811, 52026912, 52159296, 61007748, 71175706, 78238944, 81343664, 91511622, 104053824, 106763559, 122015496, 142351412, 156477888, 162687328, 183023244, 213527118, 244030992, 284702824, 320290677, 325374656, 366046488, 427054236, 488061984, 569405648, 640581354, 732092976, 854108472, 976123968, 1138811296, 1281162708, 1464185952, 1708216944, 2277622592, 2562325416, 2928371904, 3416433888, 5124650832, 6832867776, 10249301664, 20498603328]

約数ペア:

[(1, 20498603328), (2, 10249301664), (3, 6832867776), (4, 5124650832), (6, 3416433888), (7, 2928371904), (8, 2562325416), (9, 2277622592), (12, 1708216944), (14, 1464185952), (16, 1281162708), (18, 1138811296), (21, 976123968), (24, 854108472), (28, 732092976), (32, 640581354), (36, 569405648), (42, 488061984), (48, 427054236), (56, 366046488), (63, 325374656), (64, 320290677), (72, 284702824), (84, 244030992), (96, 213527118), (112, 183023244), (126, 162687328), (131, 156477888), (144, 142351412), (168, 122015496), (192, 106763559), (197, 104053824), (224, 91511622), (252, 81343664), (262, 78238944), (288, 71175706), (336, 61007748), (393, 52159296), (394, 52026912), (448, 45755811), (504, 40671832), (524, 39119472), (576, 35587853), (591, 34684608), (672, 30503874), (786, 26079648), (788, 26013456), (917, 22353984), (1008, 20335916), (1048, 19559736), (1179, 17386432), (1182, 17342304), (1344, 15251937), (1379, 14864832), (1572, 13039824), (1576, 13006728), (1773, 11561536), (1834, 11176992), (2016, 10167958), (2096, 9779868), (2358, 8693216), (2364, 8671152), (2751, 7451328), (2758, 7432416), (3144, 6519912), (3152, 6503364), (3546, 5780768), (3668, 5588496), (4032, 5083979), (4137, 4954944), (4192, 4889934), (4716, 4346608), (4728, 4335576), (5502, 3725664), (5516, 3716208), (6288, 3259956), (6304, 3251682), (7092, 2890384), (7336, 2794248), (8253, 2483776), (8274, 2477472), (8384, 2444967), (9432, 2173304), (9456, 2167788), (11004, 1862832), (11032, 1858104), (12411, 1651648), (12576, 1629978), (12608, 1625841), (14184, 1445192), (14672, 1397124), (16506, 1241888), (16548, 1238736), (18864, 1086652), (18912, 1083894), (22008, 931416), (22064, 929052), (24822, 825824), (25152, 814989), (25807, 794304), (28368, 722596), (29344, 698562), (33012, 620944), (33096, 619368), (37728, 543326), (37824, 541947), (38809, 528192), (44016, 465708), (44128, 464526), (49644, 412912), (51614, 397152), (56736, 361298), (58688, 349281), (66024, 310472), (66192, 309684), (75456, 271663), (77421, 264768), (77618, 264096), (88032, 232854), (88256, 232263), (99288, 206456), (103228, 198576), (113472, 180649), (116427, 176064), (132048, 155236), (132384, 154842)]