20762168

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 47770560

約数和(自身を除く): 27008392

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 113, 119, 136, 193, 226, 238, 386, 452, 476, 772, 791, 904, 952, 1351, 1544, 1582, 1921, 2702, 3164, 3281, 3842, 5404, 6328, 6562, 7684, 10808, 13124, 13447, 15368, 21809, 22967, 26248, 26894, 43618, 45934, 53788, 87236, 91868, 107576, 152663, 174472, 183736, 305326, 370753, 610652, 741506, 1221304, 1483012, 2595271, 2966024, 5190542, 10381084, 20762168]

約数ペア:

[(1, 20762168), (2, 10381084), (4, 5190542), (7, 2966024), (8, 2595271), (14, 1483012), (17, 1221304), (28, 741506), (34, 610652), (56, 370753), (68, 305326), (113, 183736), (119, 174472), (136, 152663), (193, 107576), (226, 91868), (238, 87236), (386, 53788), (452, 45934), (476, 43618), (772, 26894), (791, 26248), (904, 22967), (952, 21809), (1351, 15368), (1544, 13447), (1582, 13124), (1921, 10808), (2702, 7684), (3164, 6562), (3281, 6328), (3842, 5404)]