20505616

素因数分解:

$2^4\times {\mathrm{757}}^1\times {\mathrm{1693}}^1$

素因数の和:2458

約数の個数: 20

約数和(自身を含む): 39805612

約数和(自身を除く): 19299996

約数列:

[1, 2, 4, 8, 16, 757, 1514, 1693, 3028, 3386, 6056, 6772, 12112, 13544, 27088, 1281601, 2563202, 5126404, 10252808, 20505616]

約数ペア:

[(1, 20505616), (2, 10252808), (4, 5126404), (8, 2563202), (16, 1281601), (757, 27088), (1514, 13544), (1693, 12112), (3028, 6772), (3386, 6056)]