20199289480

素因数分解:

$2^3\times 5^1\times {\mathrm{504982237}}^1$

素因数の和:504982248

約数の個数: 16

約数和(自身を含む): 45448401420

約数和(自身を除く): 25249111940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504982237, 1009964474, 2019928948, 2524911185, 4039857896, 5049822370, 10099644740, 20199289480]

約数ペア:

[(1, 20199289480), (2, 10099644740), (4, 5049822370), (5, 4039857896), (8, 2524911185), (10, 2019928948), (20, 1009964474), (40, 504982237)]