20792080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13679}}^1$

素因数の和:13711

約数の個数: 40

約数和(自身を含む): 50889600

約数和(自身を除く): 30097520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 13679, 27358, 54716, 68395, 109432, 136790, 218864, 259901, 273580, 519802, 547160, 1039604, 1094320, 1299505, 2079208, 2599010, 4158416, 5198020, 10396040, 20792080]

約数ペア:

[(1, 20792080), (2, 10396040), (4, 5198020), (5, 4158416), (8, 2599010), (10, 2079208), (16, 1299505), (19, 1094320), (20, 1039604), (38, 547160), (40, 519802), (76, 273580), (80, 259901), (95, 218864), (152, 136790), (190, 109432), (304, 68395), (380, 54716), (760, 27358), (1520, 13679)]