20620894

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20177}}^1$

素因数の和:20259

約数の個数: 16

約数和(自身を含む): 35836128

約数和(自身を除く): 15215234

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 20177, 40354, 141239, 282478, 1472921, 2945842, 10310447, 20620894]

約数ペア:

[(1, 20620894), (2, 10310447), (7, 2945842), (14, 1472921), (73, 282478), (146, 141239), (511, 40354), (1022, 20177)]