20942744

素因数分解:

$2^3\times {\mathrm{1609}}^1\times {\mathrm{1627}}^1$

素因数の和:3242

約数の個数: 16

約数和(自身を含む): 39316200

約数和(自身を除く): 18373456

約数列:

[1, 2, 4, 8, 1609, 1627, 3218, 3254, 6436, 6508, 12872, 13016, 2617843, 5235686, 10471372, 20942744]

約数ペア:

[(1, 20942744), (2, 10471372), (4, 5235686), (8, 2617843), (1609, 13016), (1627, 12872), (3218, 6508), (3254, 6436)]