20381261824

素因数分解:

$2^{13}\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:532

約数の個数: 224

約数和(自身を含む): 51586790400

約数和(自身を除く): 31205528576

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 79, 88, 112, 128, 154, 158, 176, 224, 256, 308, 316, 352, 409, 448, 512, 553, 616, 632, 704, 818, 869, 896, 1024, 1106, 1232, 1264, 1408, 1636, 1738, 1792, 2048, 2212, 2464, 2528, 2816, 2863, 3272, 3476, 3584, 4096, 4424, 4499, 4928, 5056, 5632, 5726, 6083, 6544, 6952, 7168, 8192, 8848, 8998, 9856, 10112, 11264, 11452, 12166, 13088, 13904, 14336, 17696, 17996, 19712, 20224, 22528, 22904, 24332, 26176, 27808, 28672, 31493, 32311, 35392, 35992, 39424, 40448, 45056, 45808, 48664, 52352, 55616, 57344, 62986, 64622, 70784, 71984, 78848, 80896, 90112, 91616, 97328, 104704, 111232, 125972, 129244, 141568, 143968, 157696, 161792, 183232, 194656, 209408, 222464, 226177, 251944, 258488, 283136, 287936, 315392, 323584, 355421, 366464, 389312, 418816, 444928, 452354, 503888, 516976, 566272, 575872, 630784, 647168, 710842, 732928, 778624, 837632, 889856, 904708, 1007776, 1033952, 1132544, 1151744, 1421684, 1465856, 1557248, 1675264, 1779712, 1809416, 2015552, 2067904, 2265088, 2303488, 2487947, 2843368, 2931712, 3114496, 3350528, 3559424, 3618832, 4031104, 4135808, 4530176, 4606976, 4975894, 5686736, 5863424, 6228992, 7118848, 7237664, 8062208, 8271616, 9213952, 9951788, 11373472, 11726848, 12457984, 14475328, 16124416, 16543232, 18427904, 19903576, 22746944, 23453696, 24915968, 28950656, 32248832, 33086464, 36855808, 39807152, 45493888, 49831936, 57901312, 64497664, 66172928, 79614304, 90987776, 115802624, 128995328, 132345856, 159228608, 181975552, 231605248, 257990656, 264691712, 318457216, 363951104, 463210496, 636914432, 727902208, 926420992, 1273828864, 1455804416, 1852841984, 2547657728, 2911608832, 5095315456, 10190630912, 20381261824]

約数ペア:

[(1, 20381261824), (2, 10190630912), (4, 5095315456), (7, 2911608832), (8, 2547657728), (11, 1852841984), (14, 1455804416), (16, 1273828864), (22, 926420992), (28, 727902208), (32, 636914432), (44, 463210496), (56, 363951104), (64, 318457216), (77, 264691712), (79, 257990656), (88, 231605248), (112, 181975552), (128, 159228608), (154, 132345856), (158, 128995328), (176, 115802624), (224, 90987776), (256, 79614304), (308, 66172928), (316, 64497664), (352, 57901312), (409, 49831936), (448, 45493888), (512, 39807152), (553, 36855808), (616, 33086464), (632, 32248832), (704, 28950656), (818, 24915968), (869, 23453696), (896, 22746944), (1024, 19903576), (1106, 18427904), (1232, 16543232), (1264, 16124416), (1408, 14475328), (1636, 12457984), (1738, 11726848), (1792, 11373472), (2048, 9951788), (2212, 9213952), (2464, 8271616), (2528, 8062208), (2816, 7237664), (2863, 7118848), (3272, 6228992), (3476, 5863424), (3584, 5686736), (4096, 4975894), (4424, 4606976), (4499, 4530176), (4928, 4135808), (5056, 4031104), (5632, 3618832), (5726, 3559424), (6083, 3350528), (6544, 3114496), (6952, 2931712), (7168, 2843368), (8192, 2487947), (8848, 2303488), (8998, 2265088), (9856, 2067904), (10112, 2015552), (11264, 1809416), (11452, 1779712), (12166, 1675264), (13088, 1557248), (13904, 1465856), (14336, 1421684), (17696, 1151744), (17996, 1132544), (19712, 1033952), (20224, 1007776), (22528, 904708), (22904, 889856), (24332, 837632), (26176, 778624), (27808, 732928), (28672, 710842), (31493, 647168), (32311, 630784), (35392, 575872), (35992, 566272), (39424, 516976), (40448, 503888), (45056, 452354), (45808, 444928), (48664, 418816), (52352, 389312), (55616, 366464), (57344, 355421), (62986, 323584), (64622, 315392), (70784, 287936), (71984, 283136), (78848, 258488), (80896, 251944), (90112, 226177), (91616, 222464), (97328, 209408), (104704, 194656), (111232, 183232), (125972, 161792), (129244, 157696), (141568, 143968)]