20440437

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{821}}^1$

素因数の和:1060

約数の個数: 16

約数和(自身を含む): 28066368

約数和(自身を除く): 7625931

約数列:

[1, 3, 43, 129, 193, 579, 821, 2463, 8299, 24897, 35303, 105909, 158453, 475359, 6813479, 20440437]

約数ペア:

[(1, 20440437), (3, 6813479), (43, 475359), (129, 158453), (193, 105909), (579, 35303), (821, 24897), (2463, 8299)]