20123687949

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8210399}}^1$

素因数の和:8210464

約数の個数: 16

約数和(自身を含む): 28900608000

約数和(自身を除く): 8776920051

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 8210399, 24631197, 155997581, 353047157, 467992743, 1059141471, 6707895983, 20123687949]

約数ペア:

[(1, 20123687949), (3, 6707895983), (19, 1059141471), (43, 467992743), (57, 353047157), (129, 155997581), (817, 24631197), (2451, 8210399)]