20930547

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{21871}}^1$

素因数の和:21914

約数の個数: 16

約数和(自身を含む): 31495680

約数和(自身を除く): 10565133

約数列:

[1, 3, 11, 29, 33, 87, 319, 957, 21871, 65613, 240581, 634259, 721743, 1902777, 6976849, 20930547]

約数ペア:

[(1, 20930547), (3, 6976849), (11, 1902777), (29, 721743), (33, 634259), (87, 240581), (319, 65613), (957, 21871)]