20752971

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{3803}}^1$

素因数の和:3930

約数の個数: 16

約数和(自身を含む): 29579904

約数和(自身を除く): 8826933

約数列:

[1, 3, 17, 51, 107, 321, 1819, 3803, 5457, 11409, 64651, 193953, 406921, 1220763, 6917657, 20752971]

約数ペア:

[(1, 20752971), (3, 6917657), (17, 1220763), (51, 406921), (107, 193953), (321, 64651), (1819, 11409), (3803, 5457)]