20518299

素因数分解:

$3^3\times {\mathrm{509}}^1\times {\mathrm{1493}}^1$

素因数の和:2011

約数の個数: 16

約数和(自身を含む): 30477600

約数和(自身を除く): 9959301

約数列:

[1, 3, 9, 27, 509, 1493, 1527, 4479, 4581, 13437, 13743, 40311, 759937, 2279811, 6839433, 20518299]

約数ペア:

[(1, 20518299), (3, 6839433), (9, 2279811), (27, 759937), (509, 40311), (1493, 13743), (1527, 13437), (4479, 4581)]