20817441792

素因数分解:

$2^{10}\times 3^2\times 7^1\times {\mathrm{523}}^1\times {\mathrm{617}}^1$

素因数の和:1173

約数の個数: 264

約数和(自身を含む): 68939946816

約数和(自身を除く): 48122505024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 512, 523, 576, 617, 672, 768, 896, 1008, 1024, 1046, 1152, 1234, 1344, 1536, 1569, 1792, 1851, 2016, 2092, 2304, 2468, 2688, 3072, 3138, 3584, 3661, 3702, 4032, 4184, 4319, 4608, 4707, 4936, 5376, 5553, 6276, 7168, 7322, 7404, 8064, 8368, 8638, 9216, 9414, 9872, 10752, 10983, 11106, 12552, 12957, 14644, 14808, 16128, 16736, 17276, 18828, 19744, 21504, 21966, 22212, 25104, 25914, 29288, 29616, 32256, 32949, 33472, 34552, 37656, 38871, 39488, 43932, 44424, 50208, 51828, 58576, 59232, 64512, 65898, 66944, 69104, 75312, 77742, 78976, 87864, 88848, 100416, 103656, 117152, 118464, 131796, 133888, 138208, 150624, 155484, 157952, 175728, 177696, 200832, 207312, 234304, 236928, 263592, 267776, 276416, 301248, 310968, 315904, 322691, 351456, 355392, 401664, 414624, 468608, 473856, 527184, 535552, 552832, 602496, 621936, 631808, 645382, 702912, 710784, 803328, 829248, 937216, 947712, 968073, 1054368, 1105664, 1204992, 1243872, 1290764, 1405824, 1421568, 1606656, 1658496, 1874432, 1895424, 1936146, 2108736, 2211328, 2258837, 2409984, 2487744, 2581528, 2811648, 2843136, 2904219, 3316992, 3748864, 3872292, 4217472, 4422656, 4517674, 4819968, 4975488, 5163056, 5623296, 5686272, 5808438, 6633984, 6776511, 7744584, 8434944, 9035348, 9950976, 10326112, 11246592, 11616876, 13267968, 13553022, 15489168, 16869888, 18070696, 19901952, 20329533, 20652224, 23233752, 27106044, 30978336, 33739776, 36141392, 39803904, 40659066, 41304448, 46467504, 54212088, 61956672, 72282784, 81318132, 82608896, 92935008, 108424176, 123913344, 144565568, 162636264, 165217792, 185870016, 216848352, 247826688, 289131136, 325272528, 330435584, 371740032, 433696704, 495653376, 578262272, 650545056, 743480064, 867393408, 991306752, 1156524544, 1301090112, 1486960128, 1734786816, 2313049088, 2602180224, 2973920256, 3469573632, 5204360448, 6939147264, 10408720896, 20817441792]

約数ペア:

[(1, 20817441792), (2, 10408720896), (3, 6939147264), (4, 5204360448), (6, 3469573632), (7, 2973920256), (8, 2602180224), (9, 2313049088), (12, 1734786816), (14, 1486960128), (16, 1301090112), (18, 1156524544), (21, 991306752), (24, 867393408), (28, 743480064), (32, 650545056), (36, 578262272), (42, 495653376), (48, 433696704), (56, 371740032), (63, 330435584), (64, 325272528), (72, 289131136), (84, 247826688), (96, 216848352), (112, 185870016), (126, 165217792), (128, 162636264), (144, 144565568), (168, 123913344), (192, 108424176), (224, 92935008), (252, 82608896), (256, 81318132), (288, 72282784), (336, 61956672), (384, 54212088), (448, 46467504), (504, 41304448), (512, 40659066), (523, 39803904), (576, 36141392), (617, 33739776), (672, 30978336), (768, 27106044), (896, 23233752), (1008, 20652224), (1024, 20329533), (1046, 19901952), (1152, 18070696), (1234, 16869888), (1344, 15489168), (1536, 13553022), (1569, 13267968), (1792, 11616876), (1851, 11246592), (2016, 10326112), (2092, 9950976), (2304, 9035348), (2468, 8434944), (2688, 7744584), (3072, 6776511), (3138, 6633984), (3584, 5808438), (3661, 5686272), (3702, 5623296), (4032, 5163056), (4184, 4975488), (4319, 4819968), (4608, 4517674), (4707, 4422656), (4936, 4217472), (5376, 3872292), (5553, 3748864), (6276, 3316992), (7168, 2904219), (7322, 2843136), (7404, 2811648), (8064, 2581528), (8368, 2487744), (8638, 2409984), (9216, 2258837), (9414, 2211328), (9872, 2108736), (10752, 1936146), (10983, 1895424), (11106, 1874432), (12552, 1658496), (12957, 1606656), (14644, 1421568), (14808, 1405824), (16128, 1290764), (16736, 1243872), (17276, 1204992), (18828, 1105664), (19744, 1054368), (21504, 968073), (21966, 947712), (22212, 937216), (25104, 829248), (25914, 803328), (29288, 710784), (29616, 702912), (32256, 645382), (32949, 631808), (33472, 621936), (34552, 602496), (37656, 552832), (38871, 535552), (39488, 527184), (43932, 473856), (44424, 468608), (50208, 414624), (51828, 401664), (58576, 355392), (59232, 351456), (64512, 322691), (65898, 315904), (66944, 310968), (69104, 301248), (75312, 276416), (77742, 267776), (78976, 263592), (87864, 236928), (88848, 234304), (100416, 207312), (103656, 200832), (117152, 177696), (118464, 175728), (131796, 157952), (133888, 155484), (138208, 150624)]