20187936328

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2593517}}^1$

素因数の和:2593669

約数の個数: 32

約数和(自身を含む): 43571102400

約数和(自身を除く): 23383166072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 3892, 7784, 2593517, 5187034, 10374068, 18154619, 20748136, 36309238, 72618476, 145236952, 360498863, 720997726, 1441995452, 2523492041, 2883990904, 5046984082, 10093968164, 20187936328]

約数ペア:

[(1, 20187936328), (2, 10093968164), (4, 5046984082), (7, 2883990904), (8, 2523492041), (14, 1441995452), (28, 720997726), (56, 360498863), (139, 145236952), (278, 72618476), (556, 36309238), (973, 20748136), (1112, 18154619), (1946, 10374068), (3892, 5187034), (7784, 2593517)]