20854908

素因数分解:

$2^2\times 3^4\times {\mathrm{191}}^1\times {\mathrm{337}}^1$

素因数の和:544

約数の個数: 60

約数和(自身を含む): 54966912

約数和(自身を除く): 34112004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 191, 324, 337, 382, 573, 674, 764, 1011, 1146, 1348, 1719, 2022, 2292, 3033, 3438, 4044, 5157, 6066, 6876, 9099, 10314, 12132, 15471, 18198, 20628, 27297, 30942, 36396, 54594, 61884, 64367, 109188, 128734, 193101, 257468, 386202, 579303, 772404, 1158606, 1737909, 2317212, 3475818, 5213727, 6951636, 10427454, 20854908]

約数ペア:

[(1, 20854908), (2, 10427454), (3, 6951636), (4, 5213727), (6, 3475818), (9, 2317212), (12, 1737909), (18, 1158606), (27, 772404), (36, 579303), (54, 386202), (81, 257468), (108, 193101), (162, 128734), (191, 109188), (324, 64367), (337, 61884), (382, 54594), (573, 36396), (674, 30942), (764, 27297), (1011, 20628), (1146, 18198), (1348, 15471), (1719, 12132), (2022, 10314), (2292, 9099), (3033, 6876), (3438, 6066), (4044, 5157)]