20889042

素因数分解:

$2^1\times 3^1\times {\mathrm{647}}^1\times {\mathrm{5381}}^1$

素因数の和:6033

約数の個数: 16

約数和(自身を含む): 41850432

約数和(自身を除く): 20961390

約数列:

[1, 2, 3, 6, 647, 1294, 1941, 3882, 5381, 10762, 16143, 32286, 3481507, 6963014, 10444521, 20889042]

約数ペア:

[(1, 20889042), (2, 10444521), (3, 6963014), (6, 3481507), (647, 32286), (1294, 16143), (1941, 10762), (3882, 5381)]