20804392

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19553}}^1$

素因数の和:19585

約数の個数: 32

約数和(自身を含む): 46929600

約数和(自身を除く): 26125208

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19553, 39106, 78212, 136871, 156424, 273742, 371507, 547484, 743014, 1094968, 1486028, 2600549, 2972056, 5201098, 10402196, 20804392]

約数ペア:

[(1, 20804392), (2, 10402196), (4, 5201098), (7, 2972056), (8, 2600549), (14, 1486028), (19, 1094968), (28, 743014), (38, 547484), (56, 371507), (76, 273742), (133, 156424), (152, 136871), (266, 78212), (532, 39106), (1064, 19553)]