20791130948

素因数分解:

$2^2\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1300421}}^1$

素因数の和:1301003

約数の個数: 24

約数和(自身を含む): 41655117504

約数和(自身を除く): 20863986556

約数列:

[1, 2, 4, 7, 14, 28, 571, 1142, 2284, 3997, 7994, 15988, 1300421, 2600842, 5201684, 9102947, 18205894, 36411788, 742540391, 1485080782, 2970161564, 5197782737, 10395565474, 20791130948]

約数ペア:

[(1, 20791130948), (2, 10395565474), (4, 5197782737), (7, 2970161564), (14, 1485080782), (28, 742540391), (571, 36411788), (1142, 18205894), (2284, 9102947), (3997, 5201684), (7994, 2600842), (15988, 1300421)]