20499116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2693}}^1$

素因数の和:2881

約数の個数: 24

約数和(自身を含む): 39375504

約数和(自身を除く): 18876388

約数列:

[1, 2, 4, 11, 22, 44, 173, 346, 692, 1903, 2693, 3806, 5386, 7612, 10772, 29623, 59246, 118492, 465889, 931778, 1863556, 5124779, 10249558, 20499116]

約数ペア:

[(1, 20499116), (2, 10249558), (4, 5124779), (11, 1863556), (22, 931778), (44, 465889), (173, 118492), (346, 59246), (692, 29623), (1903, 10772), (2693, 7612), (3806, 5386)]