20199771136

素因数分解:

$2^{10}\times {\mathrm{19726339}}^1$

素因数の和:19726359

約数の個数: 22

約数和(自身を含む): 40379817980

約数和(自身を除く): 20180046844

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 19726339, 39452678, 78905356, 157810712, 315621424, 631242848, 1262485696, 2524971392, 5049942784, 10099885568, 20199771136]

約数ペア:

[(1, 20199771136), (2, 10099885568), (4, 5049942784), (8, 2524971392), (16, 1262485696), (32, 631242848), (64, 315621424), (128, 157810712), (256, 78905356), (512, 39452678), (1024, 19726339)]