20025872

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{4759}}^1$

素因数の和:5030

約数の個数: 20

約数和(自身を含む): 38955840

約数和(自身を除く): 18929968

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 4759, 9518, 19036, 38072, 76144, 1251617, 2503234, 5006468, 10012936, 20025872]

約数ペア:

[(1, 20025872), (2, 10012936), (4, 5006468), (8, 2503234), (16, 1251617), (263, 76144), (526, 38072), (1052, 19036), (2104, 9518), (4208, 4759)]