20239807

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4909}}^1$

素因数の和:4966

約数の個数: 16

約数和(自身を含む): 25139200

約数和(自身を除く): 4899393

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 4909, 34363, 93271, 152179, 652897, 1065253, 2891401, 20239807]

約数ペア:

[(1, 20239807), (7, 2891401), (19, 1065253), (31, 652897), (133, 152179), (217, 93271), (589, 34363), (4123, 4909)]