20440239

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{877}}^1$

素因数の和:1354

約数の個数: 16

約数和(自身を含む): 28952928

約数和(自身を除く): 8512689

約数列:

[1, 3, 17, 51, 457, 877, 1371, 2631, 7769, 14909, 23307, 44727, 400789, 1202367, 6813413, 20440239]

約数ペア:

[(1, 20440239), (3, 6813413), (17, 1202367), (51, 400789), (457, 44727), (877, 23307), (1371, 14909), (2631, 7769)]