20278863

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{68279}}^1$

素因数の和:68299

約数の個数: 16

約数和(自身を含む): 32774400

約数和(自身を除く): 12495537

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 68279, 204837, 614511, 751069, 1843533, 2253207, 6759621, 20278863]

約数ペア:

[(1, 20278863), (3, 6759621), (9, 2253207), (11, 1843533), (27, 751069), (33, 614511), (99, 204837), (297, 68279)]