20111938

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1789}}^1$

素因数の和:1882

約数の個数: 32

約数和(自身を含む): 38148480

約数和(自身を除く): 18036542

約数列:

[1, 2, 7, 11, 14, 22, 73, 77, 146, 154, 511, 803, 1022, 1606, 1789, 3578, 5621, 11242, 12523, 19679, 25046, 39358, 130597, 137753, 261194, 275506, 914179, 1436567, 1828358, 2873134, 10055969, 20111938]

約数ペア:

[(1, 20111938), (2, 10055969), (7, 2873134), (11, 1828358), (14, 1436567), (22, 914179), (73, 275506), (77, 261194), (146, 137753), (154, 130597), (511, 39358), (803, 25046), (1022, 19679), (1606, 12523), (1789, 11242), (3578, 5621)]