20869616

素因数分解:

$2^4\times {\mathrm{541}}^1\times {\mathrm{2411}}^1$

素因数の和:2960

約数の個数: 20

約数和(自身を含む): 40526424

約数和(自身を除く): 19656808

約数列:

[1, 2, 4, 8, 16, 541, 1082, 2164, 2411, 4328, 4822, 8656, 9644, 19288, 38576, 1304351, 2608702, 5217404, 10434808, 20869616]

約数ペア:

[(1, 20869616), (2, 10434808), (4, 5217404), (8, 2608702), (16, 1304351), (541, 38576), (1082, 19288), (2164, 9644), (2411, 8656), (4328, 4822)]