20448736

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:264

約数の個数: 96

約数和(自身を含む): 51625728

約数和(自身を除く): 31176992

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 43, 44, 56, 77, 86, 88, 112, 154, 172, 176, 193, 224, 301, 308, 344, 352, 386, 473, 602, 616, 688, 772, 946, 1204, 1232, 1351, 1376, 1544, 1892, 2123, 2408, 2464, 2702, 3088, 3311, 3784, 4246, 4816, 5404, 6176, 6622, 7568, 8299, 8492, 9632, 10808, 13244, 14861, 15136, 16598, 16984, 21616, 26488, 29722, 33196, 33968, 43232, 52976, 58093, 59444, 66392, 67936, 91289, 105952, 116186, 118888, 132784, 182578, 232372, 237776, 265568, 365156, 464744, 475552, 639023, 730312, 929488, 1278046, 1460624, 1858976, 2556092, 2921248, 5112184, 10224368, 20448736]

約数ペア:

[(1, 20448736), (2, 10224368), (4, 5112184), (7, 2921248), (8, 2556092), (11, 1858976), (14, 1460624), (16, 1278046), (22, 929488), (28, 730312), (32, 639023), (43, 475552), (44, 464744), (56, 365156), (77, 265568), (86, 237776), (88, 232372), (112, 182578), (154, 132784), (172, 118888), (176, 116186), (193, 105952), (224, 91289), (301, 67936), (308, 66392), (344, 59444), (352, 58093), (386, 52976), (473, 43232), (602, 33968), (616, 33196), (688, 29722), (772, 26488), (946, 21616), (1204, 16984), (1232, 16598), (1351, 15136), (1376, 14861), (1544, 13244), (1892, 10808), (2123, 9632), (2408, 8492), (2464, 8299), (2702, 7568), (3088, 6622), (3311, 6176), (3784, 5404), (4246, 4816)]