20131573756

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2776003}}^1$

素因数の和:2776058

約数の個数: 36

約数和(自身を含む): 42089772648

約数和(自身を除く): 21958198892

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 1036, 1813, 3626, 7252, 2776003, 5552006, 11104012, 19432021, 38864042, 77728084, 102712111, 136024147, 205424222, 272048294, 410848444, 544096588, 718984777, 1437969554, 2875939108, 5032893439, 10065786878, 20131573756]

約数ペア:

[(1, 20131573756), (2, 10065786878), (4, 5032893439), (7, 2875939108), (14, 1437969554), (28, 718984777), (37, 544096588), (49, 410848444), (74, 272048294), (98, 205424222), (148, 136024147), (196, 102712111), (259, 77728084), (518, 38864042), (1036, 19432021), (1813, 11104012), (3626, 5552006), (7252, 2776003)]