20169933

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30983}}^1$

素因数の和:31024

約数の個数: 16

約数和(自身を含む): 31727616

約数和(自身を除く): 11557683

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 30983, 92949, 216881, 650643, 960473, 2881419, 6723311, 20169933]

約数ペア:

[(1, 20169933), (3, 6723311), (7, 2881419), (21, 960473), (31, 650643), (93, 216881), (217, 92949), (651, 30983)]