22117780

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{3187}}^1$

素因数の和:3543

約数の個数: 24

約数和(自身を含む): 46595808

約数和(自身を除く): 24478028

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 3187, 3470, 6374, 6940, 12748, 15935, 31870, 63740, 1105889, 2211778, 4423556, 5529445, 11058890, 22117780]

約数ペア:

[(1, 22117780), (2, 11058890), (4, 5529445), (5, 4423556), (10, 2211778), (20, 1105889), (347, 63740), (694, 31870), (1388, 15935), (1735, 12748), (3187, 6940), (3470, 6374)]