20106639

素因数分解:

$3^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{727}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 33313280

約数和(自身を除く): 13206641

約数列:

[1, 3, 7, 9, 21, 63, 439, 727, 1317, 2181, 3073, 3951, 5089, 6543, 9219, 15267, 27657, 45801, 319153, 957459, 2234071, 2872377, 6702213, 20106639]

約数ペア:

[(1, 20106639), (3, 6702213), (7, 2872377), (9, 2234071), (21, 957459), (63, 319153), (439, 45801), (727, 27657), (1317, 15267), (2181, 9219), (3073, 6543), (3951, 5089)]