20880482

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20431}}^1$

素因数の和:20513

約数の個数: 16

約数和(自身を含む): 36287232

約数和(自身を除く): 15406750

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 20431, 40862, 143017, 286034, 1491463, 2982926, 10440241, 20880482]

約数ペア:

[(1, 20880482), (2, 10440241), (7, 2982926), (14, 1491463), (73, 286034), (146, 143017), (511, 40862), (1022, 20431)]