20441533

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 23964160

約数和(自身を除く): 3522627

約数列:

[1, 7, 73, 109, 367, 511, 763, 2569, 7957, 26791, 40003, 55699, 187537, 280021, 2920219, 20441533]

約数ペア:

[(1, 20441533), (7, 2920219), (73, 280021), (109, 187537), (367, 55699), (511, 40003), (763, 26791), (2569, 7957)]