20829963

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90173}}^1$

素因数の和:90194

約数の個数: 16

約数和(自身を含む): 34626816

約数和(自身を除く): 13796853

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 90173, 270519, 631211, 991903, 1893633, 2975709, 6943321, 20829963]

約数ペア:

[(1, 20829963), (3, 6943321), (7, 2975709), (11, 1893633), (21, 991903), (33, 631211), (77, 270519), (231, 90173)]