20754340

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{8171}}^1$

素因数の和:8307

約数の個数: 24

約数和(自身を含む): 43932672

約数和(自身を除く): 23178332

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 8171, 16342, 32684, 40855, 81710, 163420, 1037717, 2075434, 4150868, 5188585, 10377170, 20754340]

約数ペア:

[(1, 20754340), (2, 10377170), (4, 5188585), (5, 4150868), (10, 2075434), (20, 1037717), (127, 163420), (254, 81710), (508, 40855), (635, 32684), (1270, 16342), (2540, 8171)]