20888965465

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2017283}}^1$

素因数の和:2017416

約数の個数: 16

約数和(自身を含む): 26628148800

約数和(自身を除く): 5739183335

約数列:

[1, 5, 19, 95, 109, 545, 2071, 10355, 2017283, 10086415, 38328377, 191641885, 219883847, 1099419235, 4177793093, 20888965465]

約数ペア:

[(1, 20888965465), (5, 4177793093), (19, 1099419235), (95, 219883847), (109, 191641885), (545, 38328377), (2071, 10086415), (10355, 2017283)]