20975297

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9277}}^1$

素因数の和:9320

約数の個数: 16

約数和(自身を含む): 26720640

約数和(自身を除く): 5745343

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 9277, 64939, 157709, 176263, 1103963, 1233841, 2996471, 20975297]

約数ペア:

[(1, 20975297), (7, 2996471), (17, 1233841), (19, 1103963), (119, 176263), (133, 157709), (323, 64939), (2261, 9277)]