20796870423

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{224921}}^1$

素因数の和:224992

約数の個数: 48

約数和(自身を含む): 35077035744

約数和(自身を除く): 14280165321

約数列:

[1, 3, 7, 17, 21, 37, 49, 51, 111, 119, 147, 259, 357, 629, 777, 833, 1813, 1887, 2499, 4403, 5439, 13209, 30821, 92463, 224921, 674763, 1574447, 3823657, 4723341, 8322077, 11021129, 11470971, 24966231, 26765599, 33063387, 58254539, 80296797, 141475309, 174763617, 187359193, 407781773, 424425927, 562077579, 990327163, 1223345319, 2970981489, 6932290141, 20796870423]

約数ペア:

[(1, 20796870423), (3, 6932290141), (7, 2970981489), (17, 1223345319), (21, 990327163), (37, 562077579), (49, 424425927), (51, 407781773), (111, 187359193), (119, 174763617), (147, 141475309), (259, 80296797), (357, 58254539), (629, 33063387), (777, 26765599), (833, 24966231), (1813, 11470971), (1887, 11021129), (2499, 8322077), (4403, 4723341), (5439, 3823657), (13209, 1574447), (30821, 674763), (92463, 224921)]