20129967

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15641}}^1$

素因数の和:15671

約数の個数: 24

約数和(自身を含む): 34162128

約数和(自身を除く): 14032161

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 15641, 46923, 140769, 172051, 203333, 516153, 609999, 1548459, 1829997, 2236663, 6709989, 20129967]

約数ペア:

[(1, 20129967), (3, 6709989), (9, 2236663), (11, 1829997), (13, 1548459), (33, 609999), (39, 516153), (99, 203333), (117, 172051), (143, 140769), (429, 46923), (1287, 15641)]