12818620

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2437}}^1$

素因数の和:2709

約数の個数: 24

約数和(自身を含む): 27032544

約数和(自身を除く): 14213924

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2437, 2630, 4874, 5260, 9748, 12185, 24370, 48740, 640931, 1281862, 2563724, 3204655, 6409310, 12818620]

約数ペア:

[(1, 12818620), (2, 6409310), (4, 3204655), (5, 2563724), (10, 1281862), (20, 640931), (263, 48740), (526, 24370), (1052, 12185), (1315, 9748), (2437, 5260), (2630, 4874)]