20796760916

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{113}}^1\times {\mathrm{127453}}^1$

素因数の和:127608

約数の個数: 36

約数和(自身を含む): 38750859252

約数和(自身を除く): 17954098336

約数列:

[1, 2, 4, 19, 38, 76, 113, 226, 361, 452, 722, 1444, 2147, 4294, 8588, 40793, 81586, 127453, 163172, 254906, 509812, 2421607, 4843214, 9686428, 14402189, 28804378, 46010533, 57608756, 92021066, 184042132, 273641591, 547283182, 1094566364, 5199190229, 10398380458, 20796760916]

約数ペア:

[(1, 20796760916), (2, 10398380458), (4, 5199190229), (19, 1094566364), (38, 547283182), (76, 273641591), (113, 184042132), (226, 92021066), (361, 57608756), (452, 46010533), (722, 28804378), (1444, 14402189), (2147, 9686428), (4294, 4843214), (8588, 2421607), (40793, 509812), (81586, 254906), (127453, 163172)]