20109716

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41549}}^1$

素因数の和:41575

約数の個数: 18

約数和(自身を含む): 38683050

約数和(自身を除く): 18573334

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 41549, 83098, 166196, 457039, 914078, 1828156, 5027429, 10054858, 20109716]

約数ペア:

[(1, 20109716), (2, 10054858), (4, 5027429), (11, 1828156), (22, 914078), (44, 457039), (121, 166196), (242, 83098), (484, 41549)]