20819418

素因数分解:

$2^1\times 3^1\times {\mathrm{107}}^1\times {\mathrm{32429}}^1$

素因数の和:32541

約数の個数: 16

約数和(自身を含む): 42029280

約数和(自身を除く): 21209862

約数列:

[1, 2, 3, 6, 107, 214, 321, 642, 32429, 64858, 97287, 194574, 3469903, 6939806, 10409709, 20819418]

約数ペア:

[(1, 20819418), (2, 10409709), (3, 6939806), (6, 3469903), (107, 194574), (214, 97287), (321, 64858), (642, 32429)]