20961799488

素因数分解:

$2^6\times 3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19919}}^1$

素因数の和:19979

約数の個数: 280

約数和(自身を含む): 73466553600

約数和(自身を除く): 52504754112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 29, 32, 36, 42, 48, 54, 56, 58, 63, 64, 72, 81, 84, 87, 96, 108, 112, 116, 126, 144, 162, 168, 174, 189, 192, 203, 216, 224, 232, 252, 261, 288, 324, 336, 348, 378, 406, 432, 448, 464, 504, 522, 567, 576, 609, 648, 672, 696, 756, 783, 812, 864, 928, 1008, 1044, 1134, 1218, 1296, 1344, 1392, 1512, 1566, 1624, 1728, 1827, 1856, 2016, 2088, 2268, 2349, 2436, 2592, 2784, 3024, 3132, 3248, 3654, 4032, 4176, 4536, 4698, 4872, 5184, 5481, 5568, 6048, 6264, 6496, 7308, 8352, 9072, 9396, 9744, 10962, 12096, 12528, 12992, 14616, 16443, 16704, 18144, 18792, 19488, 19919, 21924, 25056, 29232, 32886, 36288, 37584, 38976, 39838, 43848, 50112, 58464, 59757, 65772, 75168, 79676, 87696, 116928, 119514, 131544, 139433, 150336, 159352, 175392, 179271, 239028, 263088, 278866, 318704, 350784, 358542, 418299, 478056, 526176, 537813, 557732, 577651, 637408, 717084, 836598, 956112, 1052352, 1075626, 1115464, 1155302, 1254897, 1274816, 1434168, 1613439, 1673196, 1732953, 1912224, 2151252, 2230928, 2310604, 2509794, 2868336, 3226878, 3346392, 3465906, 3764691, 3824448, 4043557, 4302504, 4461856, 4621208, 5019588, 5198859, 5736672, 6453756, 6692784, 6931812, 7529382, 8087114, 8605008, 8923712, 9242416, 10039176, 10397718, 11294073, 11473344, 12130671, 12907512, 13385568, 13863624, 15058764, 15596577, 16174228, 17210016, 18484832, 20078352, 20795436, 22588146, 24261342, 25815024, 26771136, 27727248, 30117528, 31193154, 32348456, 34420032, 36392013, 36969664, 40156704, 41590872, 45176292, 46789731, 48522684, 51630048, 55454496, 60235056, 62386308, 64696912, 72784026, 80313408, 83181744, 90352584, 93579462, 97045368, 103260096, 109176039, 110908992, 120470112, 124772616, 129393824, 145568052, 166363488, 180705168, 187158924, 194090736, 218352078, 240940224, 249545232, 258787648, 291136104, 327528117, 332726976, 361410336, 374317848, 388181472, 436704156, 499090464, 582272208, 655056234, 722820672, 748635696, 776362944, 873408312, 998180928, 1164544416, 1310112468, 1497271392, 1746816624, 2329088832, 2620224936, 2994542784, 3493633248, 5240449872, 6987266496, 10480899744, 20961799488]

約数ペア:

[(1, 20961799488), (2, 10480899744), (3, 6987266496), (4, 5240449872), (6, 3493633248), (7, 2994542784), (8, 2620224936), (9, 2329088832), (12, 1746816624), (14, 1497271392), (16, 1310112468), (18, 1164544416), (21, 998180928), (24, 873408312), (27, 776362944), (28, 748635696), (29, 722820672), (32, 655056234), (36, 582272208), (42, 499090464), (48, 436704156), (54, 388181472), (56, 374317848), (58, 361410336), (63, 332726976), (64, 327528117), (72, 291136104), (81, 258787648), (84, 249545232), (87, 240940224), (96, 218352078), (108, 194090736), (112, 187158924), (116, 180705168), (126, 166363488), (144, 145568052), (162, 129393824), (168, 124772616), (174, 120470112), (189, 110908992), (192, 109176039), (203, 103260096), (216, 97045368), (224, 93579462), (232, 90352584), (252, 83181744), (261, 80313408), (288, 72784026), (324, 64696912), (336, 62386308), (348, 60235056), (378, 55454496), (406, 51630048), (432, 48522684), (448, 46789731), (464, 45176292), (504, 41590872), (522, 40156704), (567, 36969664), (576, 36392013), (609, 34420032), (648, 32348456), (672, 31193154), (696, 30117528), (756, 27727248), (783, 26771136), (812, 25815024), (864, 24261342), (928, 22588146), (1008, 20795436), (1044, 20078352), (1134, 18484832), (1218, 17210016), (1296, 16174228), (1344, 15596577), (1392, 15058764), (1512, 13863624), (1566, 13385568), (1624, 12907512), (1728, 12130671), (1827, 11473344), (1856, 11294073), (2016, 10397718), (2088, 10039176), (2268, 9242416), (2349, 8923712), (2436, 8605008), (2592, 8087114), (2784, 7529382), (3024, 6931812), (3132, 6692784), (3248, 6453756), (3654, 5736672), (4032, 5198859), (4176, 5019588), (4536, 4621208), (4698, 4461856), (4872, 4302504), (5184, 4043557), (5481, 3824448), (5568, 3764691), (6048, 3465906), (6264, 3346392), (6496, 3226878), (7308, 2868336), (8352, 2509794), (9072, 2310604), (9396, 2230928), (9744, 2151252), (10962, 1912224), (12096, 1732953), (12528, 1673196), (12992, 1613439), (14616, 1434168), (16443, 1274816), (16704, 1254897), (18144, 1155302), (18792, 1115464), (19488, 1075626), (19919, 1052352), (21924, 956112), (25056, 836598), (29232, 717084), (32886, 637408), (36288, 577651), (37584, 557732), (38976, 537813), (39838, 526176), (43848, 478056), (50112, 418299), (58464, 358542), (59757, 350784), (65772, 318704), (75168, 278866), (79676, 263088), (87696, 239028), (116928, 179271), (119514, 175392), (131544, 159352), (139433, 150336)]