20470709

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1447}}^1$

素因数の和:1544

約数の個数: 16

約数和(自身を含む): 24465408

約数和(自身を除く): 3994699

約数列:

[1, 7, 43, 47, 301, 329, 1447, 2021, 10129, 14147, 62221, 68009, 435547, 476063, 2924387, 20470709]

約数ペア:

[(1, 20470709), (7, 2924387), (43, 476063), (47, 435547), (301, 68009), (329, 62221), (1447, 14147), (2021, 10129)]