20783042

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{11689}}^1$

素因数の和:11825

約数の個数: 16

約数和(自身を含む): 35911680

約数和(自身を除く): 15128638

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 11689, 23378, 81823, 163646, 1484503, 2969006, 10391521, 20783042]

約数ペア:

[(1, 20783042), (2, 10391521), (7, 2969006), (14, 1484503), (127, 163646), (254, 81823), (889, 23378), (1778, 11689)]