20898378

素因数分解:

$2^1\times 3^3\times {\mathrm{387007}}^1$

素因数の和:387018

約数の個数: 16

約数和(自身を含む): 46440960

約数和(自身を除く): 25542582

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 387007, 774014, 1161021, 2322042, 3483063, 6966126, 10449189, 20898378]

約数ペア:

[(1, 20898378), (2, 10449189), (3, 6966126), (6, 3483063), (9, 2322042), (18, 1161021), (27, 774014), (54, 387007)]