20512110260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23851291}}^1$

素因数の和:23851343

約数の個数: 24

約数和(自身を含む): 44077187616

約数和(自身を除く): 23565077356

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23851291, 47702582, 95405164, 119256455, 238512910, 477025820, 1025605513, 2051211026, 4102422052, 5128027565, 10256055130, 20512110260]

約数ペア:

[(1, 20512110260), (2, 10256055130), (4, 5128027565), (5, 4102422052), (10, 2051211026), (20, 1025605513), (43, 477025820), (86, 238512910), (172, 119256455), (215, 95405164), (430, 47702582), (860, 23851291)]