20453848

素因数分解:

$2^3\times {\mathrm{311}}^1\times {\mathrm{8221}}^1$

素因数の和:8538

約数の個数: 16

約数和(自身を含む): 38478960

約数和(自身を除く): 18025112

約数列:

[1, 2, 4, 8, 311, 622, 1244, 2488, 8221, 16442, 32884, 65768, 2556731, 5113462, 10226924, 20453848]

約数ペア:

[(1, 20453848), (2, 10226924), (4, 5113462), (8, 2556731), (311, 65768), (622, 32884), (1244, 16442), (2488, 8221)]