20781585216

素因数分解:

$2^6\times 3^2\times 7^3\times {\mathrm{293}}^1\times {\mathrm{359}}^1$

素因数の和:691

約数の個数: 336

約数和(自身を含む): 69896736000

約数和(自身を除く): 49115150784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 64, 72, 84, 96, 98, 112, 126, 144, 147, 168, 192, 196, 224, 252, 288, 293, 294, 336, 343, 359, 392, 441, 448, 504, 576, 586, 588, 672, 686, 718, 784, 879, 882, 1008, 1029, 1077, 1172, 1176, 1344, 1372, 1436, 1568, 1758, 1764, 2016, 2051, 2058, 2154, 2344, 2352, 2513, 2637, 2744, 2872, 3087, 3136, 3231, 3516, 3528, 4032, 4102, 4116, 4308, 4688, 4704, 5026, 5274, 5488, 5744, 6153, 6174, 6462, 7032, 7056, 7539, 8204, 8232, 8616, 9376, 9408, 10052, 10548, 10976, 11488, 12306, 12348, 12924, 14064, 14112, 14357, 15078, 16408, 16464, 17232, 17591, 18459, 18752, 20104, 21096, 21952, 22617, 22976, 24612, 24696, 25848, 28128, 28224, 28714, 30156, 32816, 32928, 34464, 35182, 36918, 40208, 42192, 43071, 45234, 49224, 49392, 51696, 52773, 56256, 57428, 60312, 65632, 65856, 68928, 70364, 73836, 80416, 84384, 86142, 90468, 98448, 98784, 100499, 103392, 105187, 105546, 114856, 120624, 123137, 129213, 131264, 140728, 147672, 158319, 160832, 168768, 172284, 180936, 196896, 197568, 200998, 206784, 210374, 211092, 229712, 241248, 246274, 258426, 281456, 295344, 301497, 315561, 316638, 344568, 361872, 369411, 393792, 401996, 420748, 422184, 459424, 482496, 492548, 516852, 562912, 590688, 602994, 631122, 633276, 689136, 723744, 736309, 738822, 803992, 841496, 844368, 904491, 918848, 946683, 985096, 1033704, 1108233, 1125824, 1181376, 1205988, 1262244, 1266552, 1378272, 1447488, 1472618, 1477644, 1607984, 1682992, 1688736, 1808982, 1893366, 1970192, 2067408, 2208927, 2216466, 2411976, 2524488, 2533104, 2756544, 2945236, 2955288, 3215968, 3365984, 3377472, 3617964, 3786732, 3940384, 4134816, 4417854, 4432932, 4823952, 5048976, 5066208, 5154163, 5890472, 5910576, 6431936, 6626781, 6731968, 7235928, 7573464, 7880768, 8269632, 8835708, 8865864, 9647904, 10097952, 10132416, 10308326, 11780944, 11821152, 13253562, 14471856, 15146928, 15462489, 17671416, 17731728, 19295808, 20195904, 20616652, 23561888, 23642304, 26507124, 28943712, 30293856, 30924978, 35342832, 35463456, 36079141, 41233304, 46387467, 47123776, 53014248, 57887424, 60587712, 61849956, 70685664, 70926912, 72158282, 82466608, 92774934, 106028496, 108237423, 123699912, 141371328, 144316564, 164933216, 185549868, 212056992, 216474846, 247399824, 288633128, 324712269, 329866432, 371099736, 424113984, 432949692, 494799648, 577266256, 649424538, 742199472, 865899384, 989599296, 1154532512, 1298849076, 1484398944, 1731798768, 2309065024, 2597698152, 2968797888, 3463597536, 5195396304, 6927195072, 10390792608, 20781585216]

約数ペア:

[(1, 20781585216), (2, 10390792608), (3, 6927195072), (4, 5195396304), (6, 3463597536), (7, 2968797888), (8, 2597698152), (9, 2309065024), (12, 1731798768), (14, 1484398944), (16, 1298849076), (18, 1154532512), (21, 989599296), (24, 865899384), (28, 742199472), (32, 649424538), (36, 577266256), (42, 494799648), (48, 432949692), (49, 424113984), (56, 371099736), (63, 329866432), (64, 324712269), (72, 288633128), (84, 247399824), (96, 216474846), (98, 212056992), (112, 185549868), (126, 164933216), (144, 144316564), (147, 141371328), (168, 123699912), (192, 108237423), (196, 106028496), (224, 92774934), (252, 82466608), (288, 72158282), (293, 70926912), (294, 70685664), (336, 61849956), (343, 60587712), (359, 57887424), (392, 53014248), (441, 47123776), (448, 46387467), (504, 41233304), (576, 36079141), (586, 35463456), (588, 35342832), (672, 30924978), (686, 30293856), (718, 28943712), (784, 26507124), (879, 23642304), (882, 23561888), (1008, 20616652), (1029, 20195904), (1077, 19295808), (1172, 17731728), (1176, 17671416), (1344, 15462489), (1372, 15146928), (1436, 14471856), (1568, 13253562), (1758, 11821152), (1764, 11780944), (2016, 10308326), (2051, 10132416), (2058, 10097952), (2154, 9647904), (2344, 8865864), (2352, 8835708), (2513, 8269632), (2637, 7880768), (2744, 7573464), (2872, 7235928), (3087, 6731968), (3136, 6626781), (3231, 6431936), (3516, 5910576), (3528, 5890472), (4032, 5154163), (4102, 5066208), (4116, 5048976), (4308, 4823952), (4688, 4432932), (4704, 4417854), (5026, 4134816), (5274, 3940384), (5488, 3786732), (5744, 3617964), (6153, 3377472), (6174, 3365984), (6462, 3215968), (7032, 2955288), (7056, 2945236), (7539, 2756544), (8204, 2533104), (8232, 2524488), (8616, 2411976), (9376, 2216466), (9408, 2208927), (10052, 2067408), (10548, 1970192), (10976, 1893366), (11488, 1808982), (12306, 1688736), (12348, 1682992), (12924, 1607984), (14064, 1477644), (14112, 1472618), (14357, 1447488), (15078, 1378272), (16408, 1266552), (16464, 1262244), (17232, 1205988), (17591, 1181376), (18459, 1125824), (18752, 1108233), (20104, 1033704), (21096, 985096), (21952, 946683), (22617, 918848), (22976, 904491), (24612, 844368), (24696, 841496), (25848, 803992), (28128, 738822), (28224, 736309), (28714, 723744), (30156, 689136), (32816, 633276), (32928, 631122), (34464, 602994), (35182, 590688), (36918, 562912), (40208, 516852), (42192, 492548), (43071, 482496), (45234, 459424), (49224, 422184), (49392, 420748), (51696, 401996), (52773, 393792), (56256, 369411), (57428, 361872), (60312, 344568), (65632, 316638), (65856, 315561), (68928, 301497), (70364, 295344), (73836, 281456), (80416, 258426), (84384, 246274), (86142, 241248), (90468, 229712), (98448, 211092), (98784, 210374), (100499, 206784), (103392, 200998), (105187, 197568), (105546, 196896), (114856, 180936), (120624, 172284), (123137, 168768), (129213, 160832), (131264, 158319), (140728, 147672)]