20439162

素因数分解:

$2^1\times 3^3\times {\mathrm{378503}}^1$

素因数の和:378514

約数の個数: 16

約数和(自身を含む): 45420480

約数和(自身を除く): 24981318

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 378503, 757006, 1135509, 2271018, 3406527, 6813054, 10219581, 20439162]

約数ペア:

[(1, 20439162), (2, 10219581), (3, 6813054), (6, 3406527), (9, 2271018), (18, 1135509), (27, 757006), (54, 378503)]