20127156721

素因数分解:

$7^1\times {\mathrm{271}}^1\times {\mathrm{2143}}^1\times {\mathrm{4951}}^1$

素因数の和:7372

約数の個数: 16

約数和(自身を含む): 23102783488

約数和(自身を除く): 2975626767

約数列:

[1, 7, 271, 1897, 2143, 4951, 15001, 34657, 580753, 1341721, 4065271, 9392047, 10609993, 74269951, 2875308103, 20127156721]

約数ペア:

[(1, 20127156721), (7, 2875308103), (271, 74269951), (1897, 10609993), (2143, 9392047), (4951, 4065271), (15001, 1341721), (34657, 580753)]