20817174

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{495647}}^1$

素因数の和:495659

約数の個数: 16

約数和(自身を含む): 47582208

約数和(自身を除く): 26765034

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 495647, 991294, 1486941, 2973882, 3469529, 6939058, 10408587, 20817174]

約数ペア:

[(1, 20817174), (2, 10408587), (3, 6939058), (6, 3469529), (7, 2973882), (14, 1486941), (21, 991294), (42, 495647)]