20972219904

素因数分解:

$2^9\times 3^2\times {\mathrm{23}}^1\times {\mathrm{433}}^1\times {\mathrm{457}}^1$

素因数の和:937

約数の個数: 240

約数和(自身を含む): 63443251872

約数和(自身を除く): 42471031968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 64, 69, 72, 92, 96, 128, 138, 144, 184, 192, 207, 256, 276, 288, 368, 384, 414, 433, 457, 512, 552, 576, 736, 768, 828, 866, 914, 1104, 1152, 1299, 1371, 1472, 1536, 1656, 1732, 1828, 2208, 2304, 2598, 2742, 2944, 3312, 3464, 3656, 3897, 4113, 4416, 4608, 5196, 5484, 5888, 6624, 6928, 7312, 7794, 8226, 8832, 9959, 10392, 10511, 10968, 11776, 13248, 13856, 14624, 15588, 16452, 17664, 19918, 20784, 21022, 21936, 26496, 27712, 29248, 29877, 31176, 31533, 32904, 35328, 39836, 41568, 42044, 43872, 52992, 55424, 58496, 59754, 62352, 63066, 65808, 79672, 83136, 84088, 87744, 89631, 94599, 105984, 110848, 116992, 119508, 124704, 126132, 131616, 159344, 166272, 168176, 175488, 179262, 189198, 197881, 221696, 233984, 239016, 249408, 252264, 263232, 318688, 332544, 336352, 350976, 358524, 378396, 395762, 478032, 498816, 504528, 526464, 593643, 637376, 665088, 672704, 701952, 717048, 756792, 791524, 956064, 997632, 1009056, 1052928, 1187286, 1274752, 1345408, 1434096, 1513584, 1583048, 1780929, 1912128, 1995264, 2018112, 2105856, 2374572, 2549504, 2690816, 2868192, 3027168, 3166096, 3561858, 3824256, 4036224, 4551263, 4749144, 5099008, 5381632, 5736384, 6054336, 6332192, 7123716, 7648512, 8072448, 9102526, 9498288, 11472768, 12108672, 12664384, 13653789, 14247432, 15297024, 16144896, 18205052, 18996576, 22945536, 24217344, 25328768, 27307578, 28494864, 36410104, 37993152, 40961367, 45891072, 48434688, 50657536, 54615156, 56989728, 72820208, 75986304, 81922734, 101315072, 109230312, 113979456, 145640416, 151972608, 163845468, 218460624, 227958912, 291280832, 303945216, 327690936, 436921248, 455917824, 582561664, 655381872, 873842496, 911835648, 1165123328, 1310763744, 1747684992, 2330246656, 2621527488, 3495369984, 5243054976, 6990739968, 10486109952, 20972219904]

約数ペア:

[(1, 20972219904), (2, 10486109952), (3, 6990739968), (4, 5243054976), (6, 3495369984), (8, 2621527488), (9, 2330246656), (12, 1747684992), (16, 1310763744), (18, 1165123328), (23, 911835648), (24, 873842496), (32, 655381872), (36, 582561664), (46, 455917824), (48, 436921248), (64, 327690936), (69, 303945216), (72, 291280832), (92, 227958912), (96, 218460624), (128, 163845468), (138, 151972608), (144, 145640416), (184, 113979456), (192, 109230312), (207, 101315072), (256, 81922734), (276, 75986304), (288, 72820208), (368, 56989728), (384, 54615156), (414, 50657536), (433, 48434688), (457, 45891072), (512, 40961367), (552, 37993152), (576, 36410104), (736, 28494864), (768, 27307578), (828, 25328768), (866, 24217344), (914, 22945536), (1104, 18996576), (1152, 18205052), (1299, 16144896), (1371, 15297024), (1472, 14247432), (1536, 13653789), (1656, 12664384), (1732, 12108672), (1828, 11472768), (2208, 9498288), (2304, 9102526), (2598, 8072448), (2742, 7648512), (2944, 7123716), (3312, 6332192), (3464, 6054336), (3656, 5736384), (3897, 5381632), (4113, 5099008), (4416, 4749144), (4608, 4551263), (5196, 4036224), (5484, 3824256), (5888, 3561858), (6624, 3166096), (6928, 3027168), (7312, 2868192), (7794, 2690816), (8226, 2549504), (8832, 2374572), (9959, 2105856), (10392, 2018112), (10511, 1995264), (10968, 1912128), (11776, 1780929), (13248, 1583048), (13856, 1513584), (14624, 1434096), (15588, 1345408), (16452, 1274752), (17664, 1187286), (19918, 1052928), (20784, 1009056), (21022, 997632), (21936, 956064), (26496, 791524), (27712, 756792), (29248, 717048), (29877, 701952), (31176, 672704), (31533, 665088), (32904, 637376), (35328, 593643), (39836, 526464), (41568, 504528), (42044, 498816), (43872, 478032), (52992, 395762), (55424, 378396), (58496, 358524), (59754, 350976), (62352, 336352), (63066, 332544), (65808, 318688), (79672, 263232), (83136, 252264), (84088, 249408), (87744, 239016), (89631, 233984), (94599, 221696), (105984, 197881), (110848, 189198), (116992, 179262), (119508, 175488), (124704, 168176), (126132, 166272), (131616, 159344)]