20495636

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{6841}}^1$

素因数の和:6959

約数の個数: 24

約数和(自身を含む): 41380416

約数和(自身を除く): 20884780

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 6841, 13682, 27364, 47887, 95774, 191548, 731987, 1463974, 2927948, 5123909, 10247818, 20495636]

約数ペア:

[(1, 20495636), (2, 10247818), (4, 5123909), (7, 2927948), (14, 1463974), (28, 731987), (107, 191548), (214, 95774), (428, 47887), (749, 27364), (1498, 13682), (2996, 6841)]