20755040

素因数分解:

$2^5\times 5^1\times {\mathrm{129719}}^1$

素因数の和:129734

約数の個数: 24

約数和(自身を含む): 49034160

約数和(自身を除く): 28279120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 129719, 259438, 518876, 648595, 1037752, 1297190, 2075504, 2594380, 4151008, 5188760, 10377520, 20755040]

約数ペア:

[(1, 20755040), (2, 10377520), (4, 5188760), (5, 4151008), (8, 2594380), (10, 2075504), (16, 1297190), (20, 1037752), (32, 648595), (40, 518876), (80, 259438), (160, 129719)]