20102605

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{653}}^1$

素因数の和:836

約数の個数: 16

約数和(自身を含む): 24862464

約数和(自身を除く): 4759859

約数列:

[1, 5, 47, 131, 235, 653, 655, 3265, 6157, 30691, 30785, 85543, 153455, 427715, 4020521, 20102605]

約数ペア:

[(1, 20102605), (5, 4020521), (47, 427715), (131, 153455), (235, 85543), (653, 30785), (655, 30691), (3265, 6157)]