20125971271

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{337}}^1\times {\mathrm{557}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 25013416896

約数和(自身を除く): 4887445625

約数列:

[1, 7, 17, 53, 119, 289, 337, 371, 557, 901, 2023, 2359, 3899, 5729, 6307, 9469, 15317, 17861, 29521, 40103, 66283, 97393, 107219, 125027, 160973, 187709, 206647, 303637, 501857, 681751, 1126811, 1313963, 2125459, 3191053, 3512999, 5161829, 8531569, 9948577, 22337371, 36132803, 54247901, 59720983, 69640039, 169125809, 379735307, 1183880663, 2875138753, 20125971271]

約数ペア:

[(1, 20125971271), (7, 2875138753), (17, 1183880663), (53, 379735307), (119, 169125809), (289, 69640039), (337, 59720983), (371, 54247901), (557, 36132803), (901, 22337371), (2023, 9948577), (2359, 8531569), (3899, 5161829), (5729, 3512999), (6307, 3191053), (9469, 2125459), (15317, 1313963), (17861, 1126811), (29521, 681751), (40103, 501857), (66283, 303637), (97393, 206647), (107219, 187709), (125027, 160973)]