20239863

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7589}}^1$

素因数の和:7726

約数の個数: 16

約数和(自身を含む): 31088640

約数和(自身を除く): 10848777

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 7589, 22767, 53123, 159369, 963803, 2891409, 6746621, 20239863]

約数ペア:

[(1, 20239863), (3, 6746621), (7, 2891409), (21, 963803), (127, 159369), (381, 53123), (889, 22767), (2667, 7589)]