20709411

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{863}}^1$

素因数の和:1306

約数の個数: 16

約数和(自身を含む): 29168640

約数和(自身を除く): 8459229

約数列:

[1, 3, 19, 57, 421, 863, 1263, 2589, 7999, 16397, 23997, 49191, 363323, 1089969, 6903137, 20709411]

約数ペア:

[(1, 20709411), (3, 6903137), (19, 1089969), (57, 363323), (421, 49191), (863, 23997), (1263, 16397), (2589, 7999)]