20325672

素因数分解:

$2^3\times 3^2\times {\mathrm{197}}^1\times {\mathrm{1433}}^1$

素因数の和:1642

約数の個数: 48

約数和(自身を含む): 55366740

約数和(自身を除く): 35041068

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 197, 394, 591, 788, 1182, 1433, 1576, 1773, 2364, 2866, 3546, 4299, 4728, 5732, 7092, 8598, 11464, 12897, 14184, 17196, 25794, 34392, 51588, 103176, 282301, 564602, 846903, 1129204, 1693806, 2258408, 2540709, 3387612, 5081418, 6775224, 10162836, 20325672]

約数ペア:

[(1, 20325672), (2, 10162836), (3, 6775224), (4, 5081418), (6, 3387612), (8, 2540709), (9, 2258408), (12, 1693806), (18, 1129204), (24, 846903), (36, 564602), (72, 282301), (197, 103176), (394, 51588), (591, 34392), (788, 25794), (1182, 17196), (1433, 14184), (1576, 12897), (1773, 11464), (2364, 8598), (2866, 7092), (3546, 5732), (4299, 4728)]