20886676

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1697}}^1$

素因数の和:1899

約数の個数: 24

約数和(自身を含む): 38938536

約数和(自身を除く): 18051860

約数列:

[1, 2, 4, 17, 34, 68, 181, 362, 724, 1697, 3077, 3394, 6154, 6788, 12308, 28849, 57698, 115396, 307157, 614314, 1228628, 5221669, 10443338, 20886676]

約数ペア:

[(1, 20886676), (2, 10443338), (4, 5221669), (17, 1228628), (34, 614314), (68, 307157), (181, 115396), (362, 57698), (724, 28849), (1697, 12308), (3077, 6788), (3394, 6154)]