20622021

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13831}}^1$

素因数の和:13912

約数の個数: 16

約数和(自身を含む): 31868928

約数和(自身を除く): 11246907

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 13831, 41493, 96817, 290451, 982001, 2946003, 6874007, 20622021]

約数ペア:

[(1, 20622021), (3, 6874007), (7, 2946003), (21, 982001), (71, 290451), (213, 96817), (497, 41493), (1491, 13831)]