20187645939

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{1061}}^1\times {\mathrm{111269}}^1$

素因数の和:112355

約数の個数: 24

約数和(自身を含む): 30723872400

約数和(自身を除く): 10536226461

約数列:

[1, 3, 9, 19, 57, 171, 1061, 3183, 9549, 20159, 60477, 111269, 181431, 333807, 1001421, 2114111, 6342333, 19026999, 118056409, 354169227, 1062507681, 2243071771, 6729215313, 20187645939]

約数ペア:

[(1, 20187645939), (3, 6729215313), (9, 2243071771), (19, 1062507681), (57, 354169227), (171, 118056409), (1061, 19026999), (3183, 6342333), (9549, 2114111), (20159, 1001421), (60477, 333807), (111269, 181431)]