20317444

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{13691}}^1$

素因数の和:13755

約数の個数: 24

約数和(自身を含む): 41404608

約数和(自身を除く): 21087164

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 13691, 27382, 54764, 95837, 191674, 383348, 725623, 1451246, 2902492, 5079361, 10158722, 20317444]

約数ペア:

[(1, 20317444), (2, 10158722), (4, 5079361), (7, 2902492), (14, 1451246), (28, 725623), (53, 383348), (106, 191674), (212, 95837), (371, 54764), (742, 27382), (1484, 13691)]