20799680

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:358

約数の個数: 112

約数和(自身を含む): 57058560

約数和(自身を除く): 36258880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 311, 320, 352, 380, 418, 440, 608, 622, 704, 760, 836, 880, 1045, 1216, 1244, 1520, 1555, 1672, 1760, 2090, 2488, 3040, 3110, 3344, 3421, 3520, 4180, 4976, 5909, 6080, 6220, 6688, 6842, 8360, 9952, 11818, 12440, 13376, 13684, 16720, 17105, 19904, 23636, 24880, 27368, 29545, 33440, 34210, 47272, 49760, 54736, 59090, 64999, 66880, 68420, 94544, 99520, 109472, 118180, 129998, 136840, 189088, 218944, 236360, 259996, 273680, 324995, 378176, 472720, 519992, 547360, 649990, 945440, 1039984, 1094720, 1299980, 1890880, 2079968, 2599960, 4159936, 5199920, 10399840, 20799680]

約数ペア:

[(1, 20799680), (2, 10399840), (4, 5199920), (5, 4159936), (8, 2599960), (10, 2079968), (11, 1890880), (16, 1299980), (19, 1094720), (20, 1039984), (22, 945440), (32, 649990), (38, 547360), (40, 519992), (44, 472720), (55, 378176), (64, 324995), (76, 273680), (80, 259996), (88, 236360), (95, 218944), (110, 189088), (152, 136840), (160, 129998), (176, 118180), (190, 109472), (209, 99520), (220, 94544), (304, 68420), (311, 66880), (320, 64999), (352, 59090), (380, 54736), (418, 49760), (440, 47272), (608, 34210), (622, 33440), (704, 29545), (760, 27368), (836, 24880), (880, 23636), (1045, 19904), (1216, 17105), (1244, 16720), (1520, 13684), (1555, 13376), (1672, 12440), (1760, 11818), (2090, 9952), (2488, 8360), (3040, 6842), (3110, 6688), (3344, 6220), (3421, 6080), (3520, 5909), (4180, 4976)]