20140638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{499}}^1$

素因数の和:573

約数の個数: 48

約数和(自身を含む): 47664000

約数和(自身を除く): 27523362

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 499, 651, 961, 998, 1302, 1497, 1922, 2883, 2994, 3493, 5766, 6727, 6986, 10479, 13454, 15469, 20181, 20958, 30938, 40362, 46407, 92814, 108283, 216566, 324849, 479539, 649698, 959078, 1438617, 2877234, 3356773, 6713546, 10070319, 20140638]

約数ペア:

[(1, 20140638), (2, 10070319), (3, 6713546), (6, 3356773), (7, 2877234), (14, 1438617), (21, 959078), (31, 649698), (42, 479539), (62, 324849), (93, 216566), (186, 108283), (217, 92814), (434, 46407), (499, 40362), (651, 30938), (961, 20958), (998, 20181), (1302, 15469), (1497, 13454), (1922, 10479), (2883, 6986), (2994, 6727), (3493, 5766)]