20857536007

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{14256689}}^1$

素因数の和:14256726

約数の個数: 16

約数和(自身を含む): 27372844800

約数和(自身を除く): 6515308793

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 14256689, 99796823, 156823579, 270877091, 1097765053, 1896139637, 2979648001, 20857536007]

約数ペア:

[(1, 20857536007), (7, 2979648001), (11, 1896139637), (19, 1097765053), (77, 270877091), (133, 156823579), (209, 99796823), (1463, 14256689)]