20017788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{238307}}^1$

素因数の和:238321

約数の個数: 24

約数和(自身を含む): 53380992

約数和(自身を除く): 33363204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 238307, 476614, 714921, 953228, 1429842, 1668149, 2859684, 3336298, 5004447, 6672596, 10008894, 20017788]

約数ペア:

[(1, 20017788), (2, 10008894), (3, 6672596), (4, 5004447), (6, 3336298), (7, 2859684), (12, 1668149), (14, 1429842), (21, 953228), (28, 714921), (42, 476614), (84, 238307)]