20149805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5849}}^1$

素因数の和:5920

約数の個数: 16

約数和(自身を含む): 26535600

約数和(自身を除く): 6385795

約数列:

[1, 5, 13, 53, 65, 265, 689, 3445, 5849, 29245, 76037, 309997, 380185, 1549985, 4029961, 20149805]

約数ペア:

[(1, 20149805), (5, 4029961), (13, 1549985), (53, 380185), (65, 309997), (265, 76037), (689, 29245), (3445, 5849)]