16531960

素因数分解:

$2^3\times 5^1\times {\mathrm{413299}}^1$

素因数の和:413310

約数の個数: 16

約数和(自身を含む): 37197000

約数和(自身を除く): 20665040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 413299, 826598, 1653196, 2066495, 3306392, 4132990, 8265980, 16531960]

約数ペア:

[(1, 16531960), (2, 8265980), (4, 4132990), (5, 3306392), (8, 2066495), (10, 1653196), (20, 826598), (40, 413299)]