20797413

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10883}}^1$

素因数の和:10913

約数の個数: 24

約数和(自身を含む): 34741728

約数和(自身を除く): 13944315

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 10883, 32649, 76181, 141479, 228543, 424437, 533267, 990353, 1599801, 2971059, 6932471, 20797413]

約数ペア:

[(1, 20797413), (3, 6932471), (7, 2971059), (13, 1599801), (21, 990353), (39, 533267), (49, 424437), (91, 228543), (147, 141479), (273, 76181), (637, 32649), (1911, 10883)]