20372884

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16921}}^1$

素因数の和:16975

約数の個数: 24

約数和(自身を含む): 41695808

約数和(自身を除く): 21322924

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 16921, 33842, 67684, 118447, 236894, 473788, 727603, 1455206, 2910412, 5093221, 10186442, 20372884]

約数ペア:

[(1, 20372884), (2, 10186442), (4, 5093221), (7, 2910412), (14, 1455206), (28, 727603), (43, 473788), (86, 236894), (172, 118447), (301, 67684), (602, 33842), (1204, 16921)]