20802894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{495307}}^1$

素因数の和:495319

約数の個数: 16

約数和(自身を含む): 47549568

約数和(自身を除く): 26746674

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 495307, 990614, 1485921, 2971842, 3467149, 6934298, 10401447, 20802894]

約数ペア:

[(1, 20802894), (2, 10401447), (3, 6934298), (6, 3467149), (7, 2971842), (14, 1485921), (21, 990614), (42, 495307)]