20624009

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2441}}^1$

素因数の和:2536

約数の個数: 16

約数和(自身を含む): 25318656

約数和(自身を除く): 4694647

約数列:

[1, 7, 17, 71, 119, 497, 1207, 2441, 8449, 17087, 41497, 173311, 290479, 1213177, 2946287, 20624009]

約数ペア:

[(1, 20624009), (7, 2946287), (17, 1213177), (71, 290479), (119, 173311), (497, 41497), (1207, 17087), (2441, 8449)]