20604988

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{863}}^1$

素因数の和:1041

約数の個数: 24

約数和(自身を含む): 37158912

約数和(自身を除く): 16553924

約数列:

[1, 2, 4, 47, 94, 127, 188, 254, 508, 863, 1726, 3452, 5969, 11938, 23876, 40561, 81122, 109601, 162244, 219202, 438404, 5151247, 10302494, 20604988]

約数ペア:

[(1, 20604988), (2, 10302494), (4, 5151247), (47, 438404), (94, 219202), (127, 162244), (188, 109601), (254, 81122), (508, 40561), (863, 23876), (1726, 11938), (3452, 5969)]