20403766376

素因数分解:

$2^3\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1164067}}^1$

素因数の和:1164393

約数の個数: 32

約数和(自身を含む): 43862082240

約数和(自身を除く): 23458315864

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 313, 626, 1252, 2191, 2504, 4382, 8764, 17528, 1164067, 2328134, 4656268, 8148469, 9312536, 16296938, 32593876, 65187752, 364352971, 728705942, 1457411884, 2550470797, 2914823768, 5100941594, 10201883188, 20403766376]

約数ペア:

[(1, 20403766376), (2, 10201883188), (4, 5100941594), (7, 2914823768), (8, 2550470797), (14, 1457411884), (28, 728705942), (56, 364352971), (313, 65187752), (626, 32593876), (1252, 16296938), (2191, 9312536), (2504, 8148469), (4382, 4656268), (8764, 2328134), (17528, 1164067)]