20987934

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{28909}}^1$

素因数の和:28936

約数の個数: 24

約数和(自身を含む): 46140360

約数和(自身を除く): 25152426

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 242, 363, 726, 28909, 57818, 86727, 173454, 317999, 635998, 953997, 1907994, 3497989, 6995978, 10493967, 20987934]

約数ペア:

[(1, 20987934), (2, 10493967), (3, 6995978), (6, 3497989), (11, 1907994), (22, 953997), (33, 635998), (66, 317999), (121, 173454), (242, 86727), (363, 57818), (726, 28909)]