19520120

素因数分解:

$2^3\times 5^1\times {\mathrm{488003}}^1$

素因数の和:488014

約数の個数: 16

約数和(自身を含む): 43920360

約数和(自身を除く): 24400240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 488003, 976006, 1952012, 2440015, 3904024, 4880030, 9760060, 19520120]

約数ペア:

[(1, 19520120), (2, 9760060), (4, 4880030), (5, 3904024), (8, 2440015), (10, 1952012), (20, 976006), (40, 488003)]