20822769

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19121}}^1$

素因数の和:19149

約数の個数: 18

約数和(自身を含む): 33061938

約数和(自身を除く): 12239169

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 19121, 57363, 172089, 210331, 630993, 1892979, 2313641, 6940923, 20822769]

約数ペア:

[(1, 20822769), (3, 6940923), (9, 2313641), (11, 1892979), (33, 630993), (99, 210331), (121, 172089), (363, 57363), (1089, 19121)]