20565391

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{14057}}^1$

素因数の和:14094

約数の個数: 16

約数和(自身を含む): 26991360

約数和(自身を除く): 6425969

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 14057, 98399, 154627, 267083, 1082389, 1869581, 2937913, 20565391]

約数ペア:

[(1, 20565391), (7, 2937913), (11, 1869581), (19, 1082389), (77, 267083), (133, 154627), (209, 98399), (1463, 14057)]