20196459

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{4889}}^1$

素因数の和:4921

約数の個数: 24

約数和(自身を含む): 32039280

約数和(自身を除く): 11842821

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 4889, 14667, 44001, 83113, 132003, 249339, 396009, 748017, 1188027, 2244051, 6732153, 20196459]

約数ペア:

[(1, 20196459), (3, 6732153), (9, 2244051), (17, 1188027), (27, 748017), (51, 396009), (81, 249339), (153, 132003), (243, 83113), (459, 44001), (1377, 14667), (4131, 4889)]