20168105

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{751}}^1$

素因数の和:928

約数の個数: 16

約数和(自身を含む): 25014528

約数和(自身を除く): 4846423

約数列:

[1, 5, 41, 131, 205, 655, 751, 3755, 5371, 26855, 30791, 98381, 153955, 491905, 4033621, 20168105]

約数ペア:

[(1, 20168105), (5, 4033621), (41, 491905), (131, 153955), (205, 98381), (655, 30791), (751, 26855), (3755, 5371)]