20343365168

素因数分解:

$2^4\times 7^1\times {\mathrm{1259}}^1\times {\mathrm{144271}}^1$

素因数の和:145545

約数の個数: 40

約数和(自身を含む): 45082114560

約数和(自身を除く): 24738749392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1259, 2518, 5036, 8813, 10072, 17626, 20144, 35252, 70504, 141008, 144271, 288542, 577084, 1009897, 1154168, 2019794, 2308336, 4039588, 8079176, 16158352, 181637189, 363274378, 726548756, 1271460323, 1453097512, 2542920646, 2906195024, 5085841292, 10171682584, 20343365168]

約数ペア:

[(1, 20343365168), (2, 10171682584), (4, 5085841292), (7, 2906195024), (8, 2542920646), (14, 1453097512), (16, 1271460323), (28, 726548756), (56, 363274378), (112, 181637189), (1259, 16158352), (2518, 8079176), (5036, 4039588), (8813, 2308336), (10072, 2019794), (17626, 1154168), (20144, 1009897), (35252, 577084), (70504, 288542), (141008, 144271)]