20658757

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9137}}^1$

素因数の和:9180

約数の個数: 16

約数和(自身を含む): 26317440

約数和(自身を除く): 5658683

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 9137, 63959, 155329, 173603, 1087303, 1215221, 2951251, 20658757]

約数ペア:

[(1, 20658757), (7, 2951251), (17, 1215221), (19, 1087303), (119, 173603), (133, 155329), (323, 63959), (2261, 9137)]