20007568

素因数分解:

$2^4\times 7^1\times {\mathrm{178639}}^1$

素因数の和:178654

約数の個数: 20

約数和(自身を含む): 44302720

約数和(自身を除く): 24295152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 178639, 357278, 714556, 1250473, 1429112, 2500946, 2858224, 5001892, 10003784, 20007568]

約数ペア:

[(1, 20007568), (2, 10003784), (4, 5001892), (7, 2858224), (8, 2500946), (14, 1429112), (16, 1250473), (28, 714556), (56, 357278), (112, 178639)]