20797716478

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{877}}^1\times {\mathrm{153991}}^1$

素因数の和:154888

約数の個数: 32

約数和(自身を含む): 38939033088

約数和(自身を除く): 18141316610

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 877, 1754, 6139, 9647, 12278, 19294, 67529, 135058, 153991, 307982, 1077937, 1693901, 2155874, 3387802, 11857307, 23714614, 135050107, 270100214, 945350749, 1485551177, 1890701498, 2971102354, 10398858239, 20797716478]

約数ペア:

[(1, 20797716478), (2, 10398858239), (7, 2971102354), (11, 1890701498), (14, 1485551177), (22, 945350749), (77, 270100214), (154, 135050107), (877, 23714614), (1754, 11857307), (6139, 3387802), (9647, 2155874), (12278, 1693901), (19294, 1077937), (67529, 307982), (135058, 153991)]