20975626

素因数分解:

$2^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{1109}}^1$

素因数の和:1318

約数の個数: 24

約数和(自身を含む): 36823140

約数和(自身を除く): 15847514

約数列:

[1, 2, 7, 14, 49, 98, 193, 386, 1109, 1351, 2218, 2702, 7763, 9457, 15526, 18914, 54341, 108682, 214037, 428074, 1498259, 2996518, 10487813, 20975626]

約数ペア:

[(1, 20975626), (2, 10487813), (7, 2996518), (14, 1498259), (49, 428074), (98, 214037), (193, 108682), (386, 54341), (1109, 18914), (1351, 15526), (2218, 9457), (2702, 7763)]