20586139

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4993}}^1$

素因数の和:5050

約数の個数: 16

約数和(自身を含む): 25569280

約数和(自身を除く): 4983141

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 4993, 34951, 94867, 154783, 664069, 1083481, 2940877, 20586139]

約数ペア:

[(1, 20586139), (7, 2940877), (19, 1083481), (31, 664069), (133, 154783), (217, 94867), (589, 34951), (4123, 4993)]