20986168

素因数分解:

$2^3\times 7^1\times {\mathrm{374753}}^1$

素因数の和:374766

約数の個数: 16

約数和(自身を含む): 44970480

約数和(自身を除く): 23984312

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 374753, 749506, 1499012, 2623271, 2998024, 5246542, 10493084, 20986168]

約数ペア:

[(1, 20986168), (2, 10493084), (4, 5246542), (7, 2998024), (8, 2623271), (14, 1499012), (28, 749506), (56, 374753)]