20940117

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{21881}}^1$

素因数の和:21924

約数の個数: 16

約数和(自身を含む): 31510080

約数和(自身を除く): 10569963

約数列:

[1, 3, 11, 29, 33, 87, 319, 957, 21881, 65643, 240691, 634549, 722073, 1903647, 6980039, 20940117]

約数ペア:

[(1, 20940117), (3, 6980039), (11, 1903647), (29, 722073), (33, 634549), (87, 240691), (319, 65643), (957, 21881)]