20971808256

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{18229}}^1$

素因数の和:18364

約数の個数: 160

約数和(自身を含む): 64451946240

約数和(自身を除く): 43480137984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 107, 112, 128, 168, 192, 214, 224, 256, 321, 336, 384, 428, 448, 512, 642, 672, 749, 768, 856, 896, 1284, 1344, 1498, 1536, 1712, 1792, 2247, 2568, 2688, 2996, 3424, 3584, 4494, 5136, 5376, 5992, 6848, 8988, 10272, 10752, 11984, 13696, 17976, 18229, 20544, 23968, 27392, 35952, 36458, 41088, 47936, 54687, 54784, 71904, 72916, 82176, 95872, 109374, 127603, 143808, 145832, 164352, 191744, 218748, 255206, 287616, 291664, 382809, 383488, 437496, 510412, 575232, 583328, 765618, 874992, 1020824, 1150464, 1166656, 1531236, 1749984, 1950503, 2041648, 2333312, 3062472, 3499968, 3901006, 4083296, 4666624, 5851509, 6124944, 6999936, 7802012, 8166592, 9333248, 11703018, 12249888, 13653521, 13999872, 15604024, 16333184, 23406036, 24499776, 27307042, 27999744, 31208048, 32666368, 40960563, 46812072, 48999552, 54614084, 62416096, 65332736, 81921126, 93624144, 97999104, 109228168, 124832192, 163842252, 187248288, 195998208, 218456336, 249664384, 327684504, 374496576, 436912672, 499328768, 655369008, 748993152, 873825344, 998657536, 1310738016, 1497986304, 1747650688, 2621476032, 2995972608, 3495301376, 5242952064, 6990602752, 10485904128, 20971808256]

約数ペア:

[(1, 20971808256), (2, 10485904128), (3, 6990602752), (4, 5242952064), (6, 3495301376), (7, 2995972608), (8, 2621476032), (12, 1747650688), (14, 1497986304), (16, 1310738016), (21, 998657536), (24, 873825344), (28, 748993152), (32, 655369008), (42, 499328768), (48, 436912672), (56, 374496576), (64, 327684504), (84, 249664384), (96, 218456336), (107, 195998208), (112, 187248288), (128, 163842252), (168, 124832192), (192, 109228168), (214, 97999104), (224, 93624144), (256, 81921126), (321, 65332736), (336, 62416096), (384, 54614084), (428, 48999552), (448, 46812072), (512, 40960563), (642, 32666368), (672, 31208048), (749, 27999744), (768, 27307042), (856, 24499776), (896, 23406036), (1284, 16333184), (1344, 15604024), (1498, 13999872), (1536, 13653521), (1712, 12249888), (1792, 11703018), (2247, 9333248), (2568, 8166592), (2688, 7802012), (2996, 6999936), (3424, 6124944), (3584, 5851509), (4494, 4666624), (5136, 4083296), (5376, 3901006), (5992, 3499968), (6848, 3062472), (8988, 2333312), (10272, 2041648), (10752, 1950503), (11984, 1749984), (13696, 1531236), (17976, 1166656), (18229, 1150464), (20544, 1020824), (23968, 874992), (27392, 765618), (35952, 583328), (36458, 575232), (41088, 510412), (47936, 437496), (54687, 383488), (54784, 382809), (71904, 291664), (72916, 287616), (82176, 255206), (95872, 218748), (109374, 191744), (127603, 164352), (143808, 145832)]