20198192

素因数分解:

$2^4\times 7^2\times {\mathrm{25763}}^1$

素因数の和:25785

約数の個数: 30

約数和(自身を含む): 45524988

約数和(自身を除く): 25326796

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 25763, 51526, 103052, 180341, 206104, 360682, 412208, 721364, 1262387, 1442728, 2524774, 2885456, 5049548, 10099096, 20198192]

約数ペア:

[(1, 20198192), (2, 10099096), (4, 5049548), (7, 2885456), (8, 2524774), (14, 1442728), (16, 1262387), (28, 721364), (49, 412208), (56, 360682), (98, 206104), (112, 180341), (196, 103052), (392, 51526), (784, 25763)]