20162391

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{6481}}^1$

素因数の和:6562

約数の個数: 16

約数和(自身を含む): 28935648

約数和(自身を除く): 8773257

約数列:

[1, 3, 17, 51, 61, 183, 1037, 3111, 6481, 19443, 110177, 330531, 395341, 1186023, 6720797, 20162391]

約数ペア:

[(1, 20162391), (3, 6720797), (17, 1186023), (51, 395341), (61, 330531), (183, 110177), (1037, 19443), (3111, 6481)]