20851208780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22182137}}^1$

素因数の和:22182193

約数の個数: 24

約数和(自身を含む): 44719190208

約数和(自身を除く): 23867981428

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 22182137, 44364274, 88728548, 110910685, 221821370, 443642740, 1042560439, 2085120878, 4170241756, 5212802195, 10425604390, 20851208780]

約数ペア:

[(1, 20851208780), (2, 10425604390), (4, 5212802195), (5, 4170241756), (10, 2085120878), (20, 1042560439), (47, 443642740), (94, 221821370), (188, 110910685), (235, 88728548), (470, 44364274), (940, 22182137)]