20617883

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4651}}^1$

素因数の和:4706

約数の個数: 16

約数和(自身を含む): 25009152

約数和(自身を除く): 4391269

約数列:

[1, 11, 13, 31, 143, 341, 403, 4433, 4651, 51161, 60463, 144181, 665093, 1585991, 1874353, 20617883]

約数ペア:

[(1, 20617883), (11, 1874353), (13, 1585991), (31, 665093), (143, 144181), (341, 60463), (403, 51161), (4433, 4651)]