20843543

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3499}}^1$

素因数の和:3566

約数の個数: 16

約数和(自身を含む): 25536000

約数和(自身を除く): 4692457

約数列:

[1, 7, 23, 37, 161, 259, 851, 3499, 5957, 24493, 80477, 129463, 563339, 906241, 2977649, 20843543]

約数ペア:

[(1, 20843543), (7, 2977649), (23, 906241), (37, 563339), (161, 129463), (259, 80477), (851, 24493), (3499, 5957)]