20348944

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 49996800

約数和(自身を除く): 29647856

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 83, 88, 112, 154, 166, 176, 199, 308, 332, 398, 581, 616, 664, 796, 913, 1162, 1232, 1328, 1393, 1592, 1826, 2189, 2324, 2786, 3184, 3652, 4378, 4648, 5572, 6391, 7304, 8756, 9296, 11144, 12782, 14608, 15323, 16517, 17512, 22288, 25564, 30646, 33034, 35024, 51128, 61292, 66068, 102256, 115619, 122584, 132136, 181687, 231238, 245168, 264272, 363374, 462476, 726748, 924952, 1271809, 1453496, 1849904, 2543618, 2906992, 5087236, 10174472, 20348944]

約数ペア:

[(1, 20348944), (2, 10174472), (4, 5087236), (7, 2906992), (8, 2543618), (11, 1849904), (14, 1453496), (16, 1271809), (22, 924952), (28, 726748), (44, 462476), (56, 363374), (77, 264272), (83, 245168), (88, 231238), (112, 181687), (154, 132136), (166, 122584), (176, 115619), (199, 102256), (308, 66068), (332, 61292), (398, 51128), (581, 35024), (616, 33034), (664, 30646), (796, 25564), (913, 22288), (1162, 17512), (1232, 16517), (1328, 15323), (1393, 14608), (1592, 12782), (1826, 11144), (2189, 9296), (2324, 8756), (2786, 7304), (3184, 6391), (3652, 5572), (4378, 4648)]