20147390180

素因数分解:

$2^2\times 5^1\times {\mathrm{43577}}^1\times {\mathrm{23117}}^1$

素因数の和:66703

約数の個数: 24

約数和(自身を含む): 42312320568

約数和(自身を除く): 22164930388

約数列:

[1, 2, 4, 5, 10, 20, 23117, 43577, 46234, 87154, 92468, 115585, 174308, 217885, 231170, 435770, 462340, 871540, 1007369509, 2014739018, 4029478036, 5036847545, 10073695090, 20147390180]

約数ペア:

[(1, 20147390180), (2, 10073695090), (4, 5036847545), (5, 4029478036), (10, 2014739018), (20, 1007369509), (23117, 871540), (43577, 462340), (46234, 435770), (87154, 231170), (92468, 217885), (115585, 174308)]