20364393

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{26209}}^1$

素因数の和:26256

約数の個数: 16

約数和(自身を含む): 31871360

約数和(自身を除く): 11506967

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 26209, 78627, 183463, 550389, 969733, 2909199, 6788131, 20364393]

約数ペア:

[(1, 20364393), (3, 6788131), (7, 2909199), (21, 969733), (37, 550389), (111, 183463), (259, 78627), (777, 26209)]