20121388347

素因数分解:

$3^1\times {\mathrm{521}}^1\times {\mathrm{1213}}^1\times {\mathrm{10613}}^1$

素因数の和:12350

約数の個数: 16

約数和(自身を含む): 26904706848

約数和(自身を除く): 6783318501

約数列:

[1, 3, 521, 1213, 1563, 3639, 10613, 31839, 631973, 1895919, 5529373, 12873569, 16588119, 38620707, 6707129449, 20121388347]

約数ペア:

[(1, 20121388347), (3, 6707129449), (521, 38620707), (1213, 16588119), (1563, 12873569), (3639, 5529373), (10613, 1895919), (31839, 631973)]