20207740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144341}}^1$

素因数の和:144357

約数の個数: 24

約数和(自身を含む): 48498912

約数和(自身を除く): 28291172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144341, 288682, 577364, 721705, 1010387, 1443410, 2020774, 2886820, 4041548, 5051935, 10103870, 20207740]

約数ペア:

[(1, 20207740), (2, 10103870), (4, 5051935), (5, 4041548), (7, 2886820), (10, 2020774), (14, 1443410), (20, 1010387), (28, 721705), (35, 577364), (70, 288682), (140, 144341)]