20102109

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{643}}^1$

素因数の和:1276

約数の個数: 16

約数和(自身を含む): 28469952

約数和(自身を除く): 8367843

約数列:

[1, 3, 17, 51, 613, 643, 1839, 1929, 10421, 10931, 31263, 32793, 394159, 1182477, 6700703, 20102109]

約数ペア:

[(1, 20102109), (3, 6700703), (17, 1182477), (51, 394159), (613, 32793), (643, 31263), (1839, 10931), (1929, 10421)]