20928062005

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{769}}^1\times {\mathrm{115807}}^1$

素因数の和:116628

約数の個数: 16

約数和(自身を含む): 25681582080

約数和(自身を除く): 4753520075

約数列:

[1, 5, 47, 235, 769, 3845, 36143, 115807, 180715, 579035, 5442929, 27214645, 89055583, 445277915, 4185612401, 20928062005]

約数ペア:

[(1, 20928062005), (5, 4185612401), (47, 445277915), (235, 89055583), (769, 27214645), (3845, 5442929), (36143, 579035), (115807, 180715)]