20199987367

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{2543}}^1\times {\mathrm{66751}}^1$

素因数の和:69318

約数の個数: 16

約数和(自身を含む): 24453660672

約数和(自身を除く): 4253673305

約数列:

[1, 7, 17, 119, 2543, 17801, 43231, 66751, 302617, 467257, 1134767, 7943369, 169747793, 1188234551, 2885712481, 20199987367]

約数ペア:

[(1, 20199987367), (7, 2885712481), (17, 1188234551), (119, 169747793), (2543, 7943369), (17801, 1134767), (43231, 467257), (66751, 302617)]