20790787724

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{7209011}}^1$

素因数の和:7209125

約数の個数: 24

約数和(自身を含む): 41985285888

約数和(自身を除く): 21194498164

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 7209011, 14418022, 28836044, 50463077, 100926154, 201852308, 742528133, 1485056266, 2970112532, 5197696931, 10395393862, 20790787724]

約数ペア:

[(1, 20790787724), (2, 10395393862), (4, 5197696931), (7, 2970112532), (14, 1485056266), (28, 742528133), (103, 201852308), (206, 100926154), (412, 50463077), (721, 28836044), (1442, 14418022), (2884, 7209011)]