20673785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22111}}^1$

素因数の和:22144

約数の個数: 16

約数和(自身を含む): 28657152

約数和(自身を除く): 7983367

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 22111, 110555, 243221, 375887, 1216105, 1879435, 4134757, 20673785]

約数ペア:

[(1, 20673785), (5, 4134757), (11, 1879435), (17, 1216105), (55, 375887), (85, 243221), (187, 110555), (935, 22111)]