20039907

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1\times {\mathrm{457}}^1$

素因数の和:818

約数の個数: 16

約数和(自身を含む): 27436032

約数和(自身を除く): 7396125

約数列:

[1, 3, 47, 141, 311, 457, 933, 1371, 14617, 21479, 43851, 64437, 142127, 426381, 6679969, 20039907]

約数ペア:

[(1, 20039907), (3, 6679969), (47, 426381), (141, 142127), (311, 64437), (457, 43851), (933, 21479), (1371, 14617)]