20887167

素因数分解:

$3^1\times 7^1\times {\mathrm{761}}^1\times {\mathrm{1307}}^1$

素因数の和:2078

約数の個数: 16

約数和(自身を含む): 31894272

約数和(自身を除く): 11007105

約数列:

[1, 3, 7, 21, 761, 1307, 2283, 3921, 5327, 9149, 15981, 27447, 994627, 2983881, 6962389, 20887167]

約数ペア:

[(1, 20887167), (3, 6962389), (7, 2983881), (21, 994627), (761, 27447), (1307, 15981), (2283, 9149), (3921, 5327)]