20927116

素因数分解:

$2^2\times 7^4\times {\mathrm{2179}}^1$

素因数の和:2211

約数の個数: 30

約数和(自身を含む): 42743260

約数和(自身を除く): 21816144

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2179, 2401, 4358, 4802, 8716, 9604, 15253, 30506, 61012, 106771, 213542, 427084, 747397, 1494794, 2989588, 5231779, 10463558, 20927116]

約数ペア:

[(1, 20927116), (2, 10463558), (4, 5231779), (7, 2989588), (14, 1494794), (28, 747397), (49, 427084), (98, 213542), (196, 106771), (343, 61012), (686, 30506), (1372, 15253), (2179, 9604), (2401, 8716), (4358, 4802)]