20171812295

素因数分解:

$5^1\times {\mathrm{443}}^1\times {\mathrm{809}}^1\times {\mathrm{11257}}^1$

素因数の和:12514

約数の個数: 16

約数和(自身を含む): 24292962720

約数和(自身を除く): 4121150425

約数列:

[1, 5, 443, 809, 2215, 4045, 11257, 56285, 358387, 1791935, 4986851, 9106913, 24934255, 45534565, 4034362459, 20171812295]

約数ペア:

[(1, 20171812295), (5, 4034362459), (443, 45534565), (809, 24934255), (2215, 9106913), (4045, 4986851), (11257, 1791935), (56285, 358387)]