20532440

素因数分解:

$2^3\times 5^1\times {\mathrm{513311}}^1$

素因数の和:513322

約数の個数: 16

約数和(自身を含む): 46198080

約数和(自身を除く): 25665640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 513311, 1026622, 2053244, 2566555, 4106488, 5133110, 10266220, 20532440]

約数ペア:

[(1, 20532440), (2, 10266220), (4, 5133110), (5, 4106488), (8, 2566555), (10, 2053244), (20, 1026622), (40, 513311)]