20975946

素因数分解:

$2^1\times 3^1\times {\mathrm{643}}^1\times {\mathrm{5437}}^1$

素因数の和:6085

約数の個数: 16

約数和(自身を含む): 42024864

約数和(自身を除く): 21048918

約数列:

[1, 2, 3, 6, 643, 1286, 1929, 3858, 5437, 10874, 16311, 32622, 3495991, 6991982, 10487973, 20975946]

約数ペア:

[(1, 20975946), (2, 10487973), (3, 6991982), (6, 3495991), (643, 32622), (1286, 16311), (1929, 10874), (3858, 5437)]