20528028036

素因数分解:

$2^2\times 3^2\times {\mathrm{197}}^1\times {\mathrm{2894533}}^1$

素因数の和:2894740

約数の個数: 36

約数和(自身を含む): 52153713612

約数和(自身を除く): 31625685576

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 197, 394, 591, 788, 1182, 1773, 2364, 3546, 7092, 2894533, 5789066, 8683599, 11578132, 17367198, 26050797, 34734396, 52101594, 104203188, 570223001, 1140446002, 1710669003, 2280892004, 3421338006, 5132007009, 6842676012, 10264014018, 20528028036]

約数ペア:

[(1, 20528028036), (2, 10264014018), (3, 6842676012), (4, 5132007009), (6, 3421338006), (9, 2280892004), (12, 1710669003), (18, 1140446002), (36, 570223001), (197, 104203188), (394, 52101594), (591, 34734396), (788, 26050797), (1182, 17367198), (1773, 11578132), (2364, 8683599), (3546, 5789066), (7092, 2894533)]