20307385

素因数分解:

$5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{2141}}^1$

素因数の和:2424

約数の個数: 16

約数和(自身を含む): 27965952

約数和(自身を除く): 7658567

約数列:

[1, 5, 7, 35, 271, 1355, 1897, 2141, 9485, 10705, 14987, 74935, 580211, 2901055, 4061477, 20307385]

約数ペア:

[(1, 20307385), (5, 4061477), (7, 2901055), (35, 580211), (271, 74935), (1355, 14987), (1897, 10705), (2141, 9485)]