20796556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{8011}}^1$

素因数の和:8085

約数の個数: 24

約数和(自身を含む): 40380480

約数和(自身を除く): 19583924

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 236, 649, 1298, 2596, 8011, 16022, 32044, 88121, 176242, 352484, 472649, 945298, 1890596, 5199139, 10398278, 20796556]

約数ペア:

[(1, 20796556), (2, 10398278), (4, 5199139), (11, 1890596), (22, 945298), (44, 472649), (59, 352484), (118, 176242), (236, 88121), (649, 32044), (1298, 16022), (2596, 8011)]