20156339

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1583}}^1$

素因数の和:1714

約数の個数: 16

約数和(自身を含む): 24634368

約数和(自身を除く): 4478029

約数列:

[1, 7, 17, 107, 119, 749, 1583, 1819, 11081, 12733, 26911, 169381, 188377, 1185667, 2879477, 20156339]

約数ペア:

[(1, 20156339), (7, 2879477), (17, 1185667), (107, 188377), (119, 169381), (749, 26911), (1583, 12733), (1819, 11081)]