20785188

素因数分解:

$2^2\times 3^1\times {\mathrm{211}}^1\times {\mathrm{8209}}^1$

素因数の和:8427

約数の個数: 24

約数和(自身を含む): 48734560

約数和(自身を除く): 27949372

約数列:

[1, 2, 3, 4, 6, 12, 211, 422, 633, 844, 1266, 2532, 8209, 16418, 24627, 32836, 49254, 98508, 1732099, 3464198, 5196297, 6928396, 10392594, 20785188]

約数ペア:

[(1, 20785188), (2, 10392594), (3, 6928396), (4, 5196297), (6, 3464198), (12, 1732099), (211, 98508), (422, 49254), (633, 32836), (844, 24627), (1266, 16418), (2532, 8209)]