838982020

素因数分解:

$2^2\times 5^1\times {\mathrm{41949101}}^1$

素因数の和:41949110

約数の個数: 12

約数和(自身を含む): 1761862284

約数和(自身を除く): 922880264

約数列:

[1, 2, 4, 5, 10, 20, 41949101, 83898202, 167796404, 209745505, 419491010, 838982020]

約数ペア:

[(1, 838982020), (2, 419491010), (4, 209745505), (5, 167796404), (10, 83898202), (20, 41949101)]