20125467

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{661}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 30981600

約数和(自身を除く): 10856133

約数列:

[1, 3, 9, 17, 51, 153, 199, 597, 661, 1791, 1983, 3383, 5949, 10149, 11237, 30447, 33711, 101133, 131539, 394617, 1183851, 2236163, 6708489, 20125467]

約数ペア:

[(1, 20125467), (3, 6708489), (9, 2236163), (17, 1183851), (51, 394617), (153, 131539), (199, 101133), (597, 33711), (661, 30447), (1791, 11237), (1983, 10149), (3383, 5949)]