22720856

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{257}}^2$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 43762620

約数和(自身を除く): 21041764

約数列:

[1, 2, 4, 8, 43, 86, 172, 257, 344, 514, 1028, 2056, 11051, 22102, 44204, 66049, 88408, 132098, 264196, 528392, 2840107, 5680214, 11360428, 22720856]

約数ペア:

[(1, 22720856), (2, 11360428), (4, 5680214), (8, 2840107), (43, 528392), (86, 264196), (172, 132098), (257, 88408), (344, 66049), (514, 44204), (1028, 22102), (2056, 11051)]