20745274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{4937}}^1$

素因数の和:5141

約数の個数: 16

約数和(自身を含む): 34131456

約数和(自身を除く): 13386182

約数列:

[1, 2, 11, 22, 191, 382, 2101, 4202, 4937, 9874, 54307, 108614, 942967, 1885934, 10372637, 20745274]

約数ペア:

[(1, 20745274), (2, 10372637), (11, 1885934), (22, 942967), (191, 108614), (382, 54307), (2101, 9874), (4202, 4937)]