20180504980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{434363}}^1$

素因数の和:434496

約数の個数: 48

約数和(自身を含む): 44659569024

約数和(自身を除く): 24479064044

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 101, 115, 202, 230, 404, 460, 505, 1010, 2020, 2323, 4646, 9292, 11615, 23230, 46460, 434363, 868726, 1737452, 2171815, 4343630, 8687260, 9990349, 19980698, 39961396, 43870663, 49951745, 87741326, 99903490, 175482652, 199806980, 219353315, 438706630, 877413260, 1009025249, 2018050498, 4036100996, 5045126245, 10090252490, 20180504980]

約数ペア:

[(1, 20180504980), (2, 10090252490), (4, 5045126245), (5, 4036100996), (10, 2018050498), (20, 1009025249), (23, 877413260), (46, 438706630), (92, 219353315), (101, 199806980), (115, 175482652), (202, 99903490), (230, 87741326), (404, 49951745), (460, 43870663), (505, 39961396), (1010, 19980698), (2020, 9990349), (2323, 8687260), (4646, 4343630), (9292, 2171815), (11615, 1737452), (23230, 868726), (46460, 434363)]