20156766

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11161}}^1$

素因数の和:11216

約数の個数: 32

約数和(自身を含む): 47148288

約数和(自身を除く): 26991522

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11161, 22322, 33483, 66966, 78127, 156254, 234381, 468762, 479923, 959846, 1439769, 2879538, 3359461, 6718922, 10078383, 20156766]

約数ペア:

[(1, 20156766), (2, 10078383), (3, 6718922), (6, 3359461), (7, 2879538), (14, 1439769), (21, 959846), (42, 479923), (43, 468762), (86, 234381), (129, 156254), (258, 78127), (301, 66966), (602, 33483), (903, 22322), (1806, 11161)]