20794521

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{20327}}^1$

素因数の和:20372

約数の個数: 16

約数和(自身を含む): 31223808

約数和(自身を除く): 10429287

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 20327, 60981, 223597, 630137, 670791, 1890411, 6931507, 20794521]

約数ペア:

[(1, 20794521), (3, 6931507), (11, 1890411), (31, 670791), (33, 630137), (93, 223597), (341, 60981), (1023, 20327)]