20187766

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{1531}}^1$

素因数の和:1899

約数の個数: 16

約数和(自身を含む): 31988160

約数和(自身を除く): 11800394

約数列:

[1, 2, 19, 38, 347, 694, 1531, 3062, 6593, 13186, 29089, 58178, 531257, 1062514, 10093883, 20187766]

約数ペア:

[(1, 20187766), (2, 10093883), (19, 1062514), (38, 531257), (347, 58178), (694, 29089), (1531, 13186), (3062, 6593)]