20664921772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2360087}}^1$

素因数の和:2360301

約数の個数: 24

約数和(自身を含む): 39649478400

約数和(自身を除く): 18984556628

約数列:

[1, 2, 4, 11, 22, 44, 199, 398, 796, 2189, 4378, 8756, 2360087, 4720174, 9440348, 25960957, 51921914, 103843828, 469657313, 939314626, 1878629252, 5166230443, 10332460886, 20664921772]

約数ペア:

[(1, 20664921772), (2, 10332460886), (4, 5166230443), (11, 1878629252), (22, 939314626), (44, 469657313), (199, 103843828), (398, 51921914), (796, 25960957), (2189, 9440348), (4378, 4720174), (8756, 2360087)]