20911077

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11117}}^1$

素因数の和:11153

約数の個数: 24

約数和(自身を含む): 34688160

約数和(自身を除く): 13777083

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 11117, 33351, 100053, 122287, 211223, 366861, 633669, 1100583, 1901007, 2323453, 6970359, 20911077]

約数ペア:

[(1, 20911077), (3, 6970359), (9, 2323453), (11, 1901007), (19, 1100583), (33, 633669), (57, 366861), (99, 211223), (171, 122287), (209, 100053), (627, 33351), (1881, 11117)]