20984883

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1949}}^1$

素因数の和:2086

約数の個数: 16

約数和(自身を含む): 29047200

約数和(自身を除く): 8062317

約数列:

[1, 3, 37, 97, 111, 291, 1949, 3589, 5847, 10767, 72113, 189053, 216339, 567159, 6994961, 20984883]

約数ペア:

[(1, 20984883), (3, 6994961), (37, 567159), (97, 216339), (111, 189053), (291, 72113), (1949, 10767), (3589, 5847)]