20216949981

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{8650813}}^1$

素因数の和:8650876

約数の個数: 16

約数和(自身を含む): 29066735040

約数和(自身を除く): 8849785059

約数列:

[1, 3, 19, 41, 57, 123, 779, 2337, 8650813, 25952439, 164365447, 354683333, 493096341, 1064049999, 6738983327, 20216949981]

約数ペア:

[(1, 20216949981), (3, 6738983327), (19, 1064049999), (41, 493096341), (57, 354683333), (123, 164365447), (779, 25952439), (2337, 8650813)]