20055680

素因数分解:

$2^7\times 5^1\times {\mathrm{31337}}^1$

素因数の和:31356

約数の個数: 32

約数和(自身を含む): 47947140

約数和(自身を除く): 27891460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 31337, 62674, 125348, 156685, 250696, 313370, 501392, 626740, 1002784, 1253480, 2005568, 2506960, 4011136, 5013920, 10027840, 20055680]

約数ペア:

[(1, 20055680), (2, 10027840), (4, 5013920), (5, 4011136), (8, 2506960), (10, 2005568), (16, 1253480), (20, 1002784), (32, 626740), (40, 501392), (64, 313370), (80, 250696), (128, 156685), (160, 125348), (320, 62674), (640, 31337)]