20761185536

素因数分解:

$2^8\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7489}}^1$

素因数の和:7549

約数の個数: 216

約数和(自身を含む): 54976629960

約数和(自身を除く): 34215444424

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 49, 52, 56, 64, 68, 91, 98, 104, 112, 119, 128, 136, 182, 196, 208, 221, 224, 238, 256, 272, 364, 392, 416, 442, 448, 476, 544, 637, 728, 784, 832, 833, 884, 896, 952, 1088, 1274, 1456, 1547, 1568, 1664, 1666, 1768, 1792, 1904, 2176, 2548, 2912, 3094, 3136, 3328, 3332, 3536, 3808, 4352, 5096, 5824, 6188, 6272, 6664, 7072, 7489, 7616, 10192, 10829, 11648, 12376, 12544, 13328, 14144, 14978, 15232, 20384, 21658, 23296, 24752, 26656, 28288, 29956, 30464, 40768, 43316, 49504, 52423, 53312, 56576, 59912, 81536, 86632, 97357, 99008, 104846, 106624, 119824, 127313, 163072, 173264, 194714, 198016, 209692, 213248, 239648, 254626, 346528, 366961, 389428, 396032, 419384, 479296, 509252, 681499, 693056, 733922, 778856, 838768, 891191, 958592, 1018504, 1362998, 1386112, 1467844, 1557712, 1655069, 1677536, 1782382, 1917184, 2037008, 2725996, 2772224, 2935688, 3115424, 3310138, 3355072, 3564764, 4074016, 4770493, 5451992, 5871376, 6230848, 6238337, 6620276, 6710144, 7129528, 8148032, 9540986, 10903984, 11585483, 11742752, 12461696, 12476674, 13240552, 13420288, 14259056, 16296064, 19081972, 21807968, 23170966, 23485504, 24923392, 24953348, 26481104, 28518112, 32592128, 38163944, 43615936, 46341932, 46971008, 49906696, 52962208, 57036224, 76327888, 81098381, 87231872, 92683864, 93942016, 99813392, 105924416, 114072448, 152655776, 162196762, 174463744, 185367728, 199626784, 211848832, 228144896, 305311552, 324393524, 370735456, 399253568, 423697664, 610623104, 648787048, 741470912, 798507136, 1221246208, 1297574096, 1482941824, 1597014272, 2595148192, 2965883648, 5190296384, 10380592768, 20761185536]

約数ペア:

[(1, 20761185536), (2, 10380592768), (4, 5190296384), (7, 2965883648), (8, 2595148192), (13, 1597014272), (14, 1482941824), (16, 1297574096), (17, 1221246208), (26, 798507136), (28, 741470912), (32, 648787048), (34, 610623104), (49, 423697664), (52, 399253568), (56, 370735456), (64, 324393524), (68, 305311552), (91, 228144896), (98, 211848832), (104, 199626784), (112, 185367728), (119, 174463744), (128, 162196762), (136, 152655776), (182, 114072448), (196, 105924416), (208, 99813392), (221, 93942016), (224, 92683864), (238, 87231872), (256, 81098381), (272, 76327888), (364, 57036224), (392, 52962208), (416, 49906696), (442, 46971008), (448, 46341932), (476, 43615936), (544, 38163944), (637, 32592128), (728, 28518112), (784, 26481104), (832, 24953348), (833, 24923392), (884, 23485504), (896, 23170966), (952, 21807968), (1088, 19081972), (1274, 16296064), (1456, 14259056), (1547, 13420288), (1568, 13240552), (1664, 12476674), (1666, 12461696), (1768, 11742752), (1792, 11585483), (1904, 10903984), (2176, 9540986), (2548, 8148032), (2912, 7129528), (3094, 6710144), (3136, 6620276), (3328, 6238337), (3332, 6230848), (3536, 5871376), (3808, 5451992), (4352, 4770493), (5096, 4074016), (5824, 3564764), (6188, 3355072), (6272, 3310138), (6664, 3115424), (7072, 2935688), (7489, 2772224), (7616, 2725996), (10192, 2037008), (10829, 1917184), (11648, 1782382), (12376, 1677536), (12544, 1655069), (13328, 1557712), (14144, 1467844), (14978, 1386112), (15232, 1362998), (20384, 1018504), (21658, 958592), (23296, 891191), (24752, 838768), (26656, 778856), (28288, 733922), (29956, 693056), (30464, 681499), (40768, 509252), (43316, 479296), (49504, 419384), (52423, 396032), (53312, 389428), (56576, 366961), (59912, 346528), (81536, 254626), (86632, 239648), (97357, 213248), (99008, 209692), (104846, 198016), (106624, 194714), (119824, 173264), (127313, 163072)]