20721646848

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:522

約数の個数: 432

約数和(自身を含む): 68627872320

約数和(自身を除く): 47906225472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 49, 56, 57, 64, 73, 76, 84, 96, 98, 112, 114, 128, 133, 146, 147, 152, 168, 192, 196, 219, 224, 228, 256, 266, 292, 294, 304, 336, 384, 392, 397, 399, 438, 448, 456, 511, 532, 584, 588, 608, 672, 768, 784, 794, 798, 876, 896, 912, 931, 1022, 1064, 1168, 1176, 1191, 1216, 1344, 1387, 1533, 1568, 1588, 1596, 1752, 1792, 1824, 1862, 2044, 2128, 2336, 2352, 2382, 2432, 2688, 2774, 2779, 2793, 3066, 3136, 3176, 3192, 3504, 3577, 3648, 3724, 4088, 4161, 4256, 4672, 4704, 4764, 4864, 5376, 5548, 5558, 5586, 6132, 6272, 6352, 6384, 7008, 7154, 7296, 7448, 7543, 8176, 8322, 8337, 8512, 9344, 9408, 9528, 9709, 10731, 11096, 11116, 11172, 12264, 12544, 12704, 12768, 14016, 14308, 14592, 14896, 15086, 16352, 16644, 16674, 17024, 18688, 18816, 19056, 19418, 19453, 21462, 22192, 22232, 22344, 22629, 24528, 25408, 25536, 28032, 28616, 28981, 29127, 29792, 30172, 32704, 33288, 33348, 34048, 37632, 38112, 38836, 38906, 42924, 44384, 44464, 44688, 45258, 49056, 50816, 51072, 52801, 56064, 57232, 57962, 58254, 58359, 59584, 60344, 65408, 66576, 66696, 67963, 76224, 77672, 77812, 85848, 86943, 88768, 88928, 89376, 90516, 98112, 101632, 102144, 105602, 114464, 115924, 116508, 116718, 119168, 120688, 130816, 133152, 133392, 135926, 152448, 155344, 155624, 158403, 171696, 173886, 177536, 177856, 178752, 181032, 196224, 202867, 203889, 211204, 228928, 231848, 233016, 233436, 238336, 241376, 266304, 266784, 271852, 304896, 310688, 311248, 316806, 343392, 347772, 355072, 355712, 357504, 362064, 369607, 392448, 405734, 407778, 422408, 457856, 463696, 466032, 466872, 482752, 532608, 533568, 543704, 550639, 608601, 621376, 622496, 633612, 686784, 695544, 711424, 715008, 724128, 739214, 811468, 815556, 844816, 915712, 927392, 932064, 933744, 965504, 1065216, 1067136, 1087408, 1101278, 1108821, 1217202, 1242752, 1244992, 1267224, 1373568, 1391088, 1420069, 1448256, 1478428, 1622936, 1631112, 1651917, 1689632, 1854784, 1864128, 1867488, 1931008, 2134272, 2174816, 2202556, 2217642, 2434404, 2485504, 2489984, 2534448, 2747136, 2782176, 2840138, 2896512, 2956856, 3245872, 3262224, 3303834, 3379264, 3709568, 3728256, 3734976, 3854473, 4260207, 4349632, 4405112, 4435284, 4868808, 4979968, 5068896, 5564352, 5680276, 5793024, 5913712, 6491744, 6524448, 6607668, 6758528, 7419136, 7456512, 7469952, 7708946, 8520414, 8699264, 8810224, 8870568, 9737616, 10137792, 11128704, 11360552, 11563419, 11827424, 12983488, 13048896, 13215336, 13517056, 14939904, 15417892, 17040828, 17398528, 17620448, 17741136, 19475232, 20275584, 22257408, 22721104, 23126838, 23654848, 25966976, 26097792, 26430672, 26981311, 30835784, 34081656, 35240896, 35482272, 38950464, 40551168, 45442208, 46253676, 47309696, 51933952, 52195584, 52861344, 53962622, 61671568, 68163312, 70481792, 70964544, 77900928, 80943933, 90884416, 92507352, 94619392, 105722688, 107925244, 123343136, 136326624, 140963584, 141929088, 155801856, 161887866, 181768832, 185014704, 211445376, 215850488, 246686272, 272653248, 283858176, 323775732, 363537664, 370029408, 422890752, 431700976, 493372544, 545306496, 647551464, 740058816, 863401952, 986745088, 1090612992, 1295102928, 1480117632, 1726803904, 2590205856, 2960235264, 3453607808, 5180411712, 6907215616, 10360823424, 20721646848]

約数ペア:

[(1, 20721646848), (2, 10360823424), (3, 6907215616), (4, 5180411712), (6, 3453607808), (7, 2960235264), (8, 2590205856), (12, 1726803904), (14, 1480117632), (16, 1295102928), (19, 1090612992), (21, 986745088), (24, 863401952), (28, 740058816), (32, 647551464), (38, 545306496), (42, 493372544), (48, 431700976), (49, 422890752), (56, 370029408), (57, 363537664), (64, 323775732), (73, 283858176), (76, 272653248), (84, 246686272), (96, 215850488), (98, 211445376), (112, 185014704), (114, 181768832), (128, 161887866), (133, 155801856), (146, 141929088), (147, 140963584), (152, 136326624), (168, 123343136), (192, 107925244), (196, 105722688), (219, 94619392), (224, 92507352), (228, 90884416), (256, 80943933), (266, 77900928), (292, 70964544), (294, 70481792), (304, 68163312), (336, 61671568), (384, 53962622), (392, 52861344), (397, 52195584), (399, 51933952), (438, 47309696), (448, 46253676), (456, 45442208), (511, 40551168), (532, 38950464), (584, 35482272), (588, 35240896), (608, 34081656), (672, 30835784), (768, 26981311), (784, 26430672), (794, 26097792), (798, 25966976), (876, 23654848), (896, 23126838), (912, 22721104), (931, 22257408), (1022, 20275584), (1064, 19475232), (1168, 17741136), (1176, 17620448), (1191, 17398528), (1216, 17040828), (1344, 15417892), (1387, 14939904), (1533, 13517056), (1568, 13215336), (1588, 13048896), (1596, 12983488), (1752, 11827424), (1792, 11563419), (1824, 11360552), (1862, 11128704), (2044, 10137792), (2128, 9737616), (2336, 8870568), (2352, 8810224), (2382, 8699264), (2432, 8520414), (2688, 7708946), (2774, 7469952), (2779, 7456512), (2793, 7419136), (3066, 6758528), (3136, 6607668), (3176, 6524448), (3192, 6491744), (3504, 5913712), (3577, 5793024), (3648, 5680276), (3724, 5564352), (4088, 5068896), (4161, 4979968), (4256, 4868808), (4672, 4435284), (4704, 4405112), (4764, 4349632), (4864, 4260207), (5376, 3854473), (5548, 3734976), (5558, 3728256), (5586, 3709568), (6132, 3379264), (6272, 3303834), (6352, 3262224), (6384, 3245872), (7008, 2956856), (7154, 2896512), (7296, 2840138), (7448, 2782176), (7543, 2747136), (8176, 2534448), (8322, 2489984), (8337, 2485504), (8512, 2434404), (9344, 2217642), (9408, 2202556), (9528, 2174816), (9709, 2134272), (10731, 1931008), (11096, 1867488), (11116, 1864128), (11172, 1854784), (12264, 1689632), (12544, 1651917), (12704, 1631112), (12768, 1622936), (14016, 1478428), (14308, 1448256), (14592, 1420069), (14896, 1391088), (15086, 1373568), (16352, 1267224), (16644, 1244992), (16674, 1242752), (17024, 1217202), (18688, 1108821), (18816, 1101278), (19056, 1087408), (19418, 1067136), (19453, 1065216), (21462, 965504), (22192, 933744), (22232, 932064), (22344, 927392), (22629, 915712), (24528, 844816), (25408, 815556), (25536, 811468), (28032, 739214), (28616, 724128), (28981, 715008), (29127, 711424), (29792, 695544), (30172, 686784), (32704, 633612), (33288, 622496), (33348, 621376), (34048, 608601), (37632, 550639), (38112, 543704), (38836, 533568), (38906, 532608), (42924, 482752), (44384, 466872), (44464, 466032), (44688, 463696), (45258, 457856), (49056, 422408), (50816, 407778), (51072, 405734), (52801, 392448), (56064, 369607), (57232, 362064), (57962, 357504), (58254, 355712), (58359, 355072), (59584, 347772), (60344, 343392), (65408, 316806), (66576, 311248), (66696, 310688), (67963, 304896), (76224, 271852), (77672, 266784), (77812, 266304), (85848, 241376), (86943, 238336), (88768, 233436), (88928, 233016), (89376, 231848), (90516, 228928), (98112, 211204), (101632, 203889), (102144, 202867), (105602, 196224), (114464, 181032), (115924, 178752), (116508, 177856), (116718, 177536), (119168, 173886), (120688, 171696), (130816, 158403), (133152, 155624), (133392, 155344), (135926, 152448)]