15620906

素因数分解:

$2^1\times 7^4\times {\mathrm{3253}}^1$

素因数の和:3283

約数の個数: 20

約数和(自身を含む): 27343362

約数和(自身を除く): 11722456

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 3253, 4802, 6506, 22771, 45542, 159397, 318794, 1115779, 2231558, 7810453, 15620906]

約数ペア:

[(1, 15620906), (2, 7810453), (7, 2231558), (14, 1115779), (49, 318794), (98, 159397), (343, 45542), (686, 22771), (2401, 6506), (3253, 4802)]