20215636

素因数分解:

$2^2\times 7^2\times {\mathrm{103141}}^1$

素因数の和:103159

約数の個数: 18

約数和(自身を含む): 41153658

約数和(自身を除く): 20938022

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 103141, 206282, 412564, 721987, 1443974, 2887948, 5053909, 10107818, 20215636]

約数ペア:

[(1, 20215636), (2, 10107818), (4, 5053909), (7, 2887948), (14, 1443974), (28, 721987), (49, 412564), (98, 206282), (196, 103141)]