20255021

素因数分解:

${\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:548

約数の個数: 16

約数和(自身を含む): 22070400

約数和(自身を除く): 1815379

約数列:

[1, 29, 37, 43, 439, 1073, 1247, 1591, 12731, 16243, 18877, 46139, 471047, 547433, 698449, 20255021]

約数ペア:

[(1, 20255021), (29, 698449), (37, 547433), (43, 471047), (439, 46139), (1073, 18877), (1247, 16243), (1591, 12731)]