20296199

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13873}}^1$

素因数の和:13910

約数の個数: 16

約数和(自身を含む): 26638080

約数和(自身を除く): 6341881

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 13873, 97111, 152603, 263587, 1068221, 1845109, 2899457, 20296199]

約数ペア:

[(1, 20296199), (7, 2899457), (11, 1845109), (19, 1068221), (77, 263587), (133, 152603), (209, 97111), (1463, 13873)]