20546691

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 31069440

約数和(自身を除く): 10522749

約数列:

[1, 3, 11, 33, 59, 61, 173, 177, 183, 519, 649, 671, 1903, 1947, 2013, 3599, 5709, 10207, 10553, 10797, 30621, 31659, 39589, 112277, 116083, 118767, 336831, 348249, 622627, 1867881, 6848897, 20546691]

約数ペア:

[(1, 20546691), (3, 6848897), (11, 1867881), (33, 622627), (59, 348249), (61, 336831), (173, 118767), (177, 116083), (183, 112277), (519, 39589), (649, 31659), (671, 30621), (1903, 10797), (1947, 10553), (2013, 10207), (3599, 5709)]