20231561

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 25608960

約数和(自身を除く): 5377399

約数列:

[1, 7, 19, 31, 49, 133, 217, 589, 701, 931, 1519, 4123, 4907, 13319, 21731, 28861, 34349, 93233, 152117, 412889, 652631, 1064819, 2890223, 20231561]

約数ペア:

[(1, 20231561), (7, 2890223), (19, 1064819), (31, 652631), (49, 412889), (133, 152117), (217, 93233), (589, 34349), (701, 28861), (931, 21731), (1519, 13319), (4123, 4907)]