20123808428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{593}}^1\times {\mathrm{4421}}^1$

素因数の和:5138

約数の個数: 48

約数和(自身を含む): 37508819040

約数和(自身を除く): 17385010612

約数列:

[1, 2, 4, 19, 38, 76, 101, 202, 404, 593, 1186, 1919, 2372, 3838, 4421, 7676, 8842, 11267, 17684, 22534, 45068, 59893, 83999, 119786, 167998, 239572, 335996, 446521, 893042, 1137967, 1786084, 2275934, 2621653, 4551868, 5243306, 8483899, 10486612, 16967798, 33935596, 49811407, 99622814, 199245628, 264786953, 529573906, 1059147812, 5030952107, 10061904214, 20123808428]

約数ペア:

[(1, 20123808428), (2, 10061904214), (4, 5030952107), (19, 1059147812), (38, 529573906), (76, 264786953), (101, 199245628), (202, 99622814), (404, 49811407), (593, 33935596), (1186, 16967798), (1919, 10486612), (2372, 8483899), (3838, 5243306), (4421, 4551868), (7676, 2621653), (8842, 2275934), (11267, 1786084), (17684, 1137967), (22534, 893042), (45068, 446521), (59893, 335996), (83999, 239572), (119786, 167998)]