20956212

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{6691}}^1$

素因数の和:6733

約数の個数: 48

約数和(自身を含む): 56212800

約数和(自身を除く): 35256588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 87, 108, 116, 174, 261, 348, 522, 783, 1044, 1566, 3132, 6691, 13382, 20073, 26764, 40146, 60219, 80292, 120438, 180657, 194039, 240876, 361314, 388078, 582117, 722628, 776156, 1164234, 1746351, 2328468, 3492702, 5239053, 6985404, 10478106, 20956212]

約数ペア:

[(1, 20956212), (2, 10478106), (3, 6985404), (4, 5239053), (6, 3492702), (9, 2328468), (12, 1746351), (18, 1164234), (27, 776156), (29, 722628), (36, 582117), (54, 388078), (58, 361314), (87, 240876), (108, 194039), (116, 180657), (174, 120438), (261, 80292), (348, 60219), (522, 40146), (783, 26764), (1044, 20073), (1566, 13382), (3132, 6691)]