20490722772

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131350787}}^1$

素因数の和:131350807

約数の個数: 24

約数和(自身を含む): 51489508896

約数和(自身を除く): 30998786124

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 131350787, 262701574, 394052361, 525403148, 788104722, 1576209444, 1707560231, 3415120462, 5122680693, 6830240924, 10245361386, 20490722772]

約数ペア:

[(1, 20490722772), (2, 10245361386), (3, 6830240924), (4, 5122680693), (6, 3415120462), (12, 1707560231), (13, 1576209444), (26, 788104722), (39, 525403148), (52, 394052361), (78, 262701574), (156, 131350787)]