20480317

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{727}}^1$

素因数の和:948

約数の個数: 16

約数和(自身を含む): 24216192

約数和(自身を除く): 3735875

約数列:

[1, 11, 13, 143, 197, 727, 2167, 2561, 7997, 9451, 28171, 103961, 143219, 1575409, 1861847, 20480317]

約数ペア:

[(1, 20480317), (11, 1861847), (13, 1575409), (143, 143219), (197, 103961), (727, 28171), (2167, 9451), (2561, 7997)]