20198060404

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{2521}}^1\times {\mathrm{28211}}^1$

素因数の和:30807

約数の個数: 24

約数和(自身を含む): 35859934656

約数和(自身を除く): 15661874252

約数列:

[1, 2, 4, 71, 142, 284, 2521, 5042, 10084, 28211, 56422, 112844, 178991, 357982, 715964, 2002981, 4005962, 8011924, 71119931, 142239862, 284479724, 5049515101, 10099030202, 20198060404]

約数ペア:

[(1, 20198060404), (2, 10099030202), (4, 5049515101), (71, 284479724), (142, 142239862), (284, 71119931), (2521, 8011924), (5042, 4005962), (10084, 2002981), (28211, 715964), (56422, 357982), (112844, 178991)]