20887076

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{887}}^1$

素因数の和:956

約数の個数: 36

約数和(自身を含む): 43313088

約数和(自身を除く): 22426012

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 841, 887, 1682, 1774, 3364, 3548, 5887, 6209, 11774, 12418, 23548, 24836, 25723, 51446, 102892, 180061, 360122, 720244, 745967, 1491934, 2983868, 5221769, 10443538, 20887076]

約数ペア:

[(1, 20887076), (2, 10443538), (4, 5221769), (7, 2983868), (14, 1491934), (28, 745967), (29, 720244), (58, 360122), (116, 180061), (203, 102892), (406, 51446), (812, 25723), (841, 24836), (887, 23548), (1682, 12418), (1774, 11774), (3364, 6209), (3548, 5887)]