20217490944

素因数分解:

$2^9\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{6247}}^1$

素因数の和:6325

約数の個数: 240

約数和(自身を含む): 64121574528

約数和(自身を除く): 43904083584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 43, 48, 49, 56, 64, 84, 86, 96, 98, 112, 128, 129, 147, 168, 172, 192, 196, 224, 256, 258, 294, 301, 336, 344, 384, 392, 448, 512, 516, 588, 602, 672, 688, 768, 784, 896, 903, 1032, 1176, 1204, 1344, 1376, 1536, 1568, 1792, 1806, 2064, 2107, 2352, 2408, 2688, 2752, 3136, 3584, 3612, 4128, 4214, 4704, 4816, 5376, 5504, 6247, 6272, 6321, 7224, 8256, 8428, 9408, 9632, 10752, 11008, 12494, 12544, 12642, 14448, 16512, 16856, 18741, 18816, 19264, 22016, 24988, 25088, 25284, 28896, 33024, 33712, 37482, 37632, 38528, 43729, 49976, 50568, 57792, 66048, 67424, 74964, 75264, 77056, 87458, 99952, 101136, 115584, 131187, 134848, 149928, 154112, 174916, 199904, 202272, 231168, 262374, 268621, 269696, 299856, 306103, 349832, 399808, 404544, 462336, 524748, 537242, 539392, 599712, 612206, 699664, 799616, 805863, 809088, 918309, 1049496, 1074484, 1078784, 1199424, 1224412, 1399328, 1599232, 1611726, 1618176, 1836618, 1880347, 2098992, 2148968, 2398848, 2448824, 2798656, 3198464, 3223452, 3236352, 3673236, 3760694, 4197984, 4297936, 4797696, 4897648, 5597312, 5641041, 6446904, 7346472, 7521388, 8395968, 8595872, 9595392, 9795296, 11194624, 11282082, 12893808, 13162429, 14692944, 15042776, 16791936, 17191744, 19590592, 22389248, 22564164, 25787616, 26324858, 29385888, 30085552, 33583872, 34383488, 39181184, 39487287, 45128328, 51575232, 52649716, 58771776, 60171104, 67167744, 68766976, 78362368, 78974574, 90256656, 103150464, 105299432, 117543552, 120342208, 137533952, 156724736, 157949148, 180513312, 206300928, 210598864, 235087104, 240684416, 315898296, 361026624, 412601856, 421197728, 470174208, 481368832, 631796592, 722053248, 842395456, 962737664, 1263593184, 1444106496, 1684790912, 2527186368, 2888212992, 3369581824, 5054372736, 6739163648, 10108745472, 20217490944]

約数ペア:

[(1, 20217490944), (2, 10108745472), (3, 6739163648), (4, 5054372736), (6, 3369581824), (7, 2888212992), (8, 2527186368), (12, 1684790912), (14, 1444106496), (16, 1263593184), (21, 962737664), (24, 842395456), (28, 722053248), (32, 631796592), (42, 481368832), (43, 470174208), (48, 421197728), (49, 412601856), (56, 361026624), (64, 315898296), (84, 240684416), (86, 235087104), (96, 210598864), (98, 206300928), (112, 180513312), (128, 157949148), (129, 156724736), (147, 137533952), (168, 120342208), (172, 117543552), (192, 105299432), (196, 103150464), (224, 90256656), (256, 78974574), (258, 78362368), (294, 68766976), (301, 67167744), (336, 60171104), (344, 58771776), (384, 52649716), (392, 51575232), (448, 45128328), (512, 39487287), (516, 39181184), (588, 34383488), (602, 33583872), (672, 30085552), (688, 29385888), (768, 26324858), (784, 25787616), (896, 22564164), (903, 22389248), (1032, 19590592), (1176, 17191744), (1204, 16791936), (1344, 15042776), (1376, 14692944), (1536, 13162429), (1568, 12893808), (1792, 11282082), (1806, 11194624), (2064, 9795296), (2107, 9595392), (2352, 8595872), (2408, 8395968), (2688, 7521388), (2752, 7346472), (3136, 6446904), (3584, 5641041), (3612, 5597312), (4128, 4897648), (4214, 4797696), (4704, 4297936), (4816, 4197984), (5376, 3760694), (5504, 3673236), (6247, 3236352), (6272, 3223452), (6321, 3198464), (7224, 2798656), (8256, 2448824), (8428, 2398848), (9408, 2148968), (9632, 2098992), (10752, 1880347), (11008, 1836618), (12494, 1618176), (12544, 1611726), (12642, 1599232), (14448, 1399328), (16512, 1224412), (16856, 1199424), (18741, 1078784), (18816, 1074484), (19264, 1049496), (22016, 918309), (24988, 809088), (25088, 805863), (25284, 799616), (28896, 699664), (33024, 612206), (33712, 599712), (37482, 539392), (37632, 537242), (38528, 524748), (43729, 462336), (49976, 404544), (50568, 399808), (57792, 349832), (66048, 306103), (67424, 299856), (74964, 269696), (75264, 268621), (77056, 262374), (87458, 231168), (99952, 202272), (101136, 199904), (115584, 174916), (131187, 154112), (134848, 149928)]