20969637

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7573}}^1$

素因数の和:7660

約数の個数: 16

約数和(自身を含む): 30538368

約数和(自身を除く): 9568731

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 7573, 22719, 98449, 295347, 537683, 1613049, 6989879, 20969637]

約数ペア:

[(1, 20969637), (3, 6989879), (13, 1613049), (39, 537683), (71, 295347), (213, 98449), (923, 22719), (2769, 7573)]