20090644

素因数分解:

$2^2\times 7^1\times {\mathrm{647}}^1\times {\mathrm{1109}}^1$

素因数の和:1767

約数の個数: 24

約数和(自身を含む): 40279680

約数和(自身を除く): 20189036

約数列:

[1, 2, 4, 7, 14, 28, 647, 1109, 1294, 2218, 2588, 4436, 4529, 7763, 9058, 15526, 18116, 31052, 717523, 1435046, 2870092, 5022661, 10045322, 20090644]

約数ペア:

[(1, 20090644), (2, 10045322), (4, 5022661), (7, 2870092), (14, 1435046), (28, 717523), (647, 31052), (1109, 18116), (1294, 15526), (2218, 9058), (2588, 7763), (4436, 4529)]