20497188

素因数分解:

$2^2\times 3^1\times {\mathrm{389}}^1\times {\mathrm{4391}}^1$

素因数の和:4787

約数の個数: 24

約数和(自身を含む): 47960640

約数和(自身を除く): 27463452

約数列:

[1, 2, 3, 4, 6, 12, 389, 778, 1167, 1556, 2334, 4391, 4668, 8782, 13173, 17564, 26346, 52692, 1708099, 3416198, 5124297, 6832396, 10248594, 20497188]

約数ペア:

[(1, 20497188), (2, 10248594), (3, 6832396), (4, 5124297), (6, 3416198), (12, 1708099), (389, 52692), (778, 26346), (1167, 17564), (1556, 13173), (2334, 8782), (4391, 4668)]