20512496695

素因数分解:

$5^1\times {\mathrm{439}}^1\times {\mathrm{2137}}^1\times {\mathrm{4373}}^1$

素因数の和:6954

約数の個数: 16

約数和(自身を含む): 24688255680

約数和(自身を除く): 4175758985

約数列:

[1, 5, 439, 2137, 2195, 4373, 10685, 21865, 938143, 1919747, 4690715, 9345101, 9598735, 46725505, 4102499339, 20512496695]

約数ペア:

[(1, 20512496695), (5, 4102499339), (439, 46725505), (2137, 9598735), (2195, 9345101), (4373, 4690715), (10685, 1919747), (21865, 938143)]