20097945

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{63803}}^1$

素因数の和:63821

約数の個数: 24

約数和(自身を含む): 39813696

約数和(自身を除く): 19715751

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 63803, 191409, 319015, 446621, 574227, 957045, 1339863, 2233105, 2871135, 4019589, 6699315, 20097945]

約数ペア:

[(1, 20097945), (3, 6699315), (5, 4019589), (7, 2871135), (9, 2233105), (15, 1339863), (21, 957045), (35, 574227), (45, 446621), (63, 319015), (105, 191409), (315, 63803)]