20786885

素因数分解:

$5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{2027}}^1$

素因数の和:2332

約数の個数: 16

約数和(自身を含む): 28619136

約数和(自身を除く): 7832251

約数列:

[1, 5, 7, 35, 293, 1465, 2027, 2051, 10135, 10255, 14189, 70945, 593911, 2969555, 4157377, 20786885]

約数ペア:

[(1, 20786885), (5, 4157377), (7, 2969555), (35, 593911), (293, 70945), (1465, 14189), (2027, 10255), (2051, 10135)]