20531812

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17053}}^1$

素因数の和:17107

約数の個数: 24

約数和(自身を含む): 42021056

約数和(自身を除く): 21489244

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 17053, 34106, 68212, 119371, 238742, 477484, 733279, 1466558, 2933116, 5132953, 10265906, 20531812]

約数ペア:

[(1, 20531812), (2, 10265906), (4, 5132953), (7, 2933116), (14, 1466558), (28, 733279), (43, 477484), (86, 238742), (172, 119371), (301, 68212), (602, 34106), (1204, 17053)]