20492755912

素因数分解:

$2^3\times {\mathrm{263}}^1\times {\mathrm{9739903}}^1$

素因数の和:9740172

約数の個数: 16

約数和(自身を含む): 38570019840

約数和(自身を除く): 18077263928

約数列:

[1, 2, 4, 8, 263, 526, 1052, 2104, 9739903, 19479806, 38959612, 77919224, 2561594489, 5123188978, 10246377956, 20492755912]

約数ペア:

[(1, 20492755912), (2, 10246377956), (4, 5123188978), (8, 2561594489), (263, 77919224), (526, 38959612), (1052, 19479806), (2104, 9739903)]