20455048

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{28729}}^1$

素因数の和:28824

約数の個数: 16

約数和(自身を含む): 38785500

約数和(自身を除く): 18330452

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 28729, 57458, 114916, 229832, 2556881, 5113762, 10227524, 20455048]

約数ペア:

[(1, 20455048), (2, 10227524), (4, 5113762), (8, 2556881), (89, 229832), (178, 114916), (356, 57458), (712, 28729)]