20730908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3001}}^1$

素因数の和:3173

約数の個数: 24

約数和(自身を含む): 39842544

約数和(自身を除く): 19111636

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 3001, 3454, 6002, 6908, 12004, 33011, 66022, 132044, 471157, 942314, 1884628, 5182727, 10365454, 20730908]

約数ペア:

[(1, 20730908), (2, 10365454), (4, 5182727), (11, 1884628), (22, 942314), (44, 471157), (157, 132044), (314, 66022), (628, 33011), (1727, 12004), (3001, 6908), (3454, 6002)]