20184558489

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1\times {\mathrm{857}}^1$

素因数の和:1350

約数の個数: 48

約数和(自身を含む): 29944474560

約数和(自身を除く): 9759916071

約数列:

[1, 3, 9, 67, 139, 201, 281, 417, 603, 843, 857, 1251, 2529, 2571, 7713, 9313, 18827, 27939, 39059, 56481, 57419, 83817, 117177, 119123, 169443, 172257, 240817, 351531, 357369, 516771, 722451, 1072107, 2167353, 2616953, 7850859, 7981241, 16134739, 23552577, 23943723, 33473563, 48404217, 71831169, 100420689, 145212651, 301262067, 2242728721, 6728186163, 20184558489]

約数ペア:

[(1, 20184558489), (3, 6728186163), (9, 2242728721), (67, 301262067), (139, 145212651), (201, 100420689), (281, 71831169), (417, 48404217), (603, 33473563), (843, 23943723), (857, 23552577), (1251, 16134739), (2529, 7981241), (2571, 7850859), (7713, 2616953), (9313, 2167353), (18827, 1072107), (27939, 722451), (39059, 516771), (56481, 357369), (57419, 351531), (83817, 240817), (117177, 172257), (119123, 169443)]