20325204

素因数分解:

$2^2\times 3^2\times {\mathrm{151}}^1\times {\mathrm{3739}}^1$

素因数の和:3900

約数の個数: 36

約数和(自身を含む): 51731680

約数和(自身を除く): 31406476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 151, 302, 453, 604, 906, 1359, 1812, 2718, 3739, 5436, 7478, 11217, 14956, 22434, 33651, 44868, 67302, 134604, 564589, 1129178, 1693767, 2258356, 3387534, 5081301, 6775068, 10162602, 20325204]

約数ペア:

[(1, 20325204), (2, 10162602), (3, 6775068), (4, 5081301), (6, 3387534), (9, 2258356), (12, 1693767), (18, 1129178), (36, 564589), (151, 134604), (302, 67302), (453, 44868), (604, 33651), (906, 22434), (1359, 14956), (1812, 11217), (2718, 7478), (3739, 5436)]