20790242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21977}}^1$

素因数の和:22033

約数の個数: 16

約数和(自身を含む): 34813152

約数和(自身を除く): 14022910

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21977, 43954, 241747, 483494, 945011, 1890022, 10395121, 20790242]

約数ペア:

[(1, 20790242), (2, 10395121), (11, 1890022), (22, 945011), (43, 483494), (86, 241747), (473, 43954), (946, 21977)]