20161993659

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20807011}}^1$

素因数の和:20807050

約数の個数: 16

約数和(自身を含む): 29962097280

約数和(自身を除く): 9800103621

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 20807011, 62421033, 353719187, 395333209, 1061157561, 1185999627, 6720664553, 20161993659]

約数ペア:

[(1, 20161993659), (3, 6720664553), (17, 1185999627), (19, 1061157561), (51, 395333209), (57, 353719187), (323, 62421033), (969, 20807011)]