20097356

素因数分解:

$2^2\times {\mathrm{509}}^1\times {\mathrm{9871}}^1$

素因数の和:10384

約数の個数: 12

約数和(自身を含む): 35243040

約数和(自身を除く): 15145684

約数列:

[1, 2, 4, 509, 1018, 2036, 9871, 19742, 39484, 5024339, 10048678, 20097356]

約数ペア:

[(1, 20097356), (2, 10048678), (4, 5024339), (509, 39484), (1018, 19742), (2036, 9871)]