20272833

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3877}}^1$

素因数の和:3973

約数の個数: 24

約数和(自身を含む): 33878208

約数和(自身を除く): 13605375

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 3877, 5229, 11631, 27139, 34893, 81417, 244251, 321791, 965373, 2252537, 2896119, 6757611, 20272833]

約数ペア:

[(1, 20272833), (3, 6757611), (7, 2896119), (9, 2252537), (21, 965373), (63, 321791), (83, 244251), (249, 81417), (581, 34893), (747, 27139), (1743, 11631), (3877, 5229)]