20572222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:376

約数の個数: 32

約数和(自身を含む): 35020800

約数和(自身を除く): 14448578

約数列:

[1, 2, 11, 22, 37, 74, 127, 199, 254, 398, 407, 814, 1397, 2189, 2794, 4378, 4699, 7363, 9398, 14726, 25273, 50546, 51689, 80993, 103378, 161986, 278003, 556006, 935101, 1870202, 10286111, 20572222]

約数ペア:

[(1, 20572222), (2, 10286111), (11, 1870202), (22, 935101), (37, 556006), (74, 278003), (127, 161986), (199, 103378), (254, 80993), (398, 51689), (407, 50546), (814, 25273), (1397, 14726), (2189, 9398), (2794, 7363), (4378, 4699)]