20752120

素因数分解:

$2^3\times 5^1\times {\mathrm{518803}}^1$

素因数の和:518814

約数の個数: 16

約数和(自身を含む): 46692360

約数和(自身を除く): 25940240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 518803, 1037606, 2075212, 2594015, 4150424, 5188030, 10376060, 20752120]

約数ペア:

[(1, 20752120), (2, 10376060), (4, 5188030), (5, 4150424), (8, 2594015), (10, 2075212), (20, 1037606), (40, 518803)]