20551027

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{809}}^1$

素因数の和:1026

約数の個数: 16

約数和(自身を含む): 24883200

約数和(自身を除く): 4332173

約数列:

[1, 7, 19, 133, 191, 809, 1337, 3629, 5663, 15371, 25403, 107597, 154519, 1081633, 2935861, 20551027]

約数ペア:

[(1, 20551027), (7, 2935861), (19, 1081633), (133, 154519), (191, 107597), (809, 25403), (1337, 15371), (3629, 5663)]