20980047

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{33461}}^1$

素因数の和:33494

約数の個数: 16

約数和(自身を含む): 32123520

約数和(自身を除く): 11143473

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 33461, 100383, 368071, 635759, 1104213, 1907277, 6993349, 20980047]

約数ペア:

[(1, 20980047), (3, 6993349), (11, 1907277), (19, 1104213), (33, 635759), (57, 368071), (209, 100383), (627, 33461)]