20494440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56929}}^1$

素因数の和:56946

約数の個数: 48

約数和(自身を含む): 66608100

約数和(自身を除く): 46113660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56929, 113858, 170787, 227716, 284645, 341574, 455432, 512361, 569290, 683148, 853935, 1024722, 1138580, 1366296, 1707870, 2049444, 2277160, 2561805, 3415740, 4098888, 5123610, 6831480, 10247220, 20494440]

約数ペア:

[(1, 20494440), (2, 10247220), (3, 6831480), (4, 5123610), (5, 4098888), (6, 3415740), (8, 2561805), (9, 2277160), (10, 2049444), (12, 1707870), (15, 1366296), (18, 1138580), (20, 1024722), (24, 853935), (30, 683148), (36, 569290), (40, 512361), (45, 455432), (60, 341574), (72, 284645), (90, 227716), (120, 170787), (180, 113858), (360, 56929)]