20512792

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{62539}}^1$

素因数の和:62586

約数の個数: 16

約数和(自身を含む): 39400200

約数和(自身を除く): 18887408

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 62539, 125078, 250156, 500312, 2564099, 5128198, 10256396, 20512792]

約数ペア:

[(1, 20512792), (2, 10256396), (4, 5128198), (8, 2564099), (41, 500312), (82, 250156), (164, 125078), (328, 62539)]