20778363648

素因数分解:

$2^8\times 3^4\times 7^1\times {\mathrm{257}}^1\times {\mathrm{557}}^1$

素因数の和:849

約数の個数: 360

約数和(自身を含む): 71211504672

約数和(自身を除く): 50433141024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 128, 144, 162, 168, 189, 192, 216, 224, 252, 256, 257, 288, 324, 336, 378, 384, 432, 448, 504, 514, 557, 567, 576, 648, 672, 756, 768, 771, 864, 896, 1008, 1028, 1114, 1134, 1152, 1296, 1344, 1512, 1542, 1671, 1728, 1792, 1799, 2016, 2056, 2228, 2268, 2304, 2313, 2592, 2688, 3024, 3084, 3342, 3456, 3598, 3899, 4032, 4112, 4456, 4536, 4626, 5013, 5184, 5376, 5397, 6048, 6168, 6684, 6912, 6939, 7196, 7798, 8064, 8224, 8912, 9072, 9252, 10026, 10368, 10794, 11697, 12096, 12336, 13368, 13878, 14392, 15039, 15596, 16128, 16191, 16448, 17824, 18144, 18504, 20052, 20736, 20817, 21588, 23394, 24192, 24672, 26736, 27756, 28784, 30078, 31192, 32382, 32896, 35091, 35648, 36288, 37008, 40104, 41634, 43176, 45117, 46788, 48384, 48573, 49344, 53472, 55512, 57568, 60156, 62384, 64764, 65792, 70182, 71296, 72576, 74016, 80208, 83268, 86352, 90234, 93576, 97146, 98688, 105273, 106944, 111024, 115136, 120312, 124768, 129528, 140364, 142592, 143149, 145152, 145719, 148032, 160416, 166536, 172704, 180468, 187152, 194292, 197376, 210546, 213888, 222048, 230272, 240624, 249536, 259056, 280728, 286298, 291438, 296064, 315819, 320832, 333072, 345408, 360936, 374304, 388584, 421092, 427776, 429447, 444096, 460544, 481248, 499072, 518112, 561456, 572596, 582876, 592128, 631638, 641664, 666144, 690816, 721872, 748608, 777168, 842184, 858894, 888192, 962496, 998144, 1002043, 1036224, 1122912, 1145192, 1165752, 1263276, 1283328, 1288341, 1332288, 1381632, 1443744, 1497216, 1554336, 1684368, 1717788, 1776384, 1924992, 2004086, 2072448, 2245824, 2290384, 2331504, 2526552, 2576682, 2664576, 2887488, 2994432, 3006129, 3108672, 3368736, 3435576, 3849984, 3865023, 4008172, 4144896, 4491648, 4580768, 4663008, 5053104, 5153364, 5329152, 5774976, 6012258, 6217344, 6737472, 6871152, 7730046, 8016344, 8983296, 9018387, 9161536, 9326016, 10106208, 10306728, 11549952, 11595069, 12024516, 12434688, 13474944, 13742304, 15460092, 16032688, 18036774, 18323072, 18652032, 20212416, 20613456, 23190138, 24049032, 26949888, 27055161, 27484608, 30920184, 32065376, 36073548, 36646144, 37304064, 40424832, 41226912, 46380276, 48098064, 54110322, 54969216, 61840368, 64130752, 72147096, 80849664, 81165483, 82453824, 92760552, 96196128, 108220644, 109938432, 123680736, 128261504, 144294192, 162330966, 164907648, 185521104, 192392256, 216441288, 247361472, 256523008, 288588384, 324661932, 329815296, 371042208, 384784512, 432882576, 494722944, 577176768, 649323864, 742084416, 769569024, 865765152, 989445888, 1154353536, 1298647728, 1484168832, 1731530304, 2308707072, 2597295456, 2968337664, 3463060608, 5194590912, 6926121216, 10389181824, 20778363648]

約数ペア:

[(1, 20778363648), (2, 10389181824), (3, 6926121216), (4, 5194590912), (6, 3463060608), (7, 2968337664), (8, 2597295456), (9, 2308707072), (12, 1731530304), (14, 1484168832), (16, 1298647728), (18, 1154353536), (21, 989445888), (24, 865765152), (27, 769569024), (28, 742084416), (32, 649323864), (36, 577176768), (42, 494722944), (48, 432882576), (54, 384784512), (56, 371042208), (63, 329815296), (64, 324661932), (72, 288588384), (81, 256523008), (84, 247361472), (96, 216441288), (108, 192392256), (112, 185521104), (126, 164907648), (128, 162330966), (144, 144294192), (162, 128261504), (168, 123680736), (189, 109938432), (192, 108220644), (216, 96196128), (224, 92760552), (252, 82453824), (256, 81165483), (257, 80849664), (288, 72147096), (324, 64130752), (336, 61840368), (378, 54969216), (384, 54110322), (432, 48098064), (448, 46380276), (504, 41226912), (514, 40424832), (557, 37304064), (567, 36646144), (576, 36073548), (648, 32065376), (672, 30920184), (756, 27484608), (768, 27055161), (771, 26949888), (864, 24049032), (896, 23190138), (1008, 20613456), (1028, 20212416), (1114, 18652032), (1134, 18323072), (1152, 18036774), (1296, 16032688), (1344, 15460092), (1512, 13742304), (1542, 13474944), (1671, 12434688), (1728, 12024516), (1792, 11595069), (1799, 11549952), (2016, 10306728), (2056, 10106208), (2228, 9326016), (2268, 9161536), (2304, 9018387), (2313, 8983296), (2592, 8016344), (2688, 7730046), (3024, 6871152), (3084, 6737472), (3342, 6217344), (3456, 6012258), (3598, 5774976), (3899, 5329152), (4032, 5153364), (4112, 5053104), (4456, 4663008), (4536, 4580768), (4626, 4491648), (5013, 4144896), (5184, 4008172), (5376, 3865023), (5397, 3849984), (6048, 3435576), (6168, 3368736), (6684, 3108672), (6912, 3006129), (6939, 2994432), (7196, 2887488), (7798, 2664576), (8064, 2576682), (8224, 2526552), (8912, 2331504), (9072, 2290384), (9252, 2245824), (10026, 2072448), (10368, 2004086), (10794, 1924992), (11697, 1776384), (12096, 1717788), (12336, 1684368), (13368, 1554336), (13878, 1497216), (14392, 1443744), (15039, 1381632), (15596, 1332288), (16128, 1288341), (16191, 1283328), (16448, 1263276), (17824, 1165752), (18144, 1145192), (18504, 1122912), (20052, 1036224), (20736, 1002043), (20817, 998144), (21588, 962496), (23394, 888192), (24192, 858894), (24672, 842184), (26736, 777168), (27756, 748608), (28784, 721872), (30078, 690816), (31192, 666144), (32382, 641664), (32896, 631638), (35091, 592128), (35648, 582876), (36288, 572596), (37008, 561456), (40104, 518112), (41634, 499072), (43176, 481248), (45117, 460544), (46788, 444096), (48384, 429447), (48573, 427776), (49344, 421092), (53472, 388584), (55512, 374304), (57568, 360936), (60156, 345408), (62384, 333072), (64764, 320832), (65792, 315819), (70182, 296064), (71296, 291438), (72576, 286298), (74016, 280728), (80208, 259056), (83268, 249536), (86352, 240624), (90234, 230272), (93576, 222048), (97146, 213888), (98688, 210546), (105273, 197376), (106944, 194292), (111024, 187152), (115136, 180468), (120312, 172704), (124768, 166536), (129528, 160416), (140364, 148032), (142592, 145719), (143149, 145152)]