20833197

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90187}}^1$

素因数の和:90208

約数の個数: 16

約数和(自身を含む): 34632192

約数和(自身を除く): 13798995

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 90187, 270561, 631309, 992057, 1893927, 2976171, 6944399, 20833197]

約数ペア:

[(1, 20833197), (3, 6944399), (7, 2976171), (11, 1893927), (21, 992057), (33, 631309), (77, 270561), (231, 90187)]