20893407

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{15937}}^1$

素因数の和:15982

約数の個数: 16

約数和(自身を含む): 30600960

約数和(自身を除く): 9707553

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 15937, 47811, 302803, 366551, 908409, 1099653, 6964469, 20893407]

約数ペア:

[(1, 20893407), (3, 6964469), (19, 1099653), (23, 908409), (57, 366551), (69, 302803), (437, 47811), (1311, 15937)]