20508.000000

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{1493}}^1$

素因数の和:1525

約数の個数: 16

約数和(自身を含む): 1434240

約数和(自身を除く): 507087

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 1493, 4479, 13437, 34339, 40311, 103017, 309051, 927153]

約数ペア:

[(1, 927153), (3, 309051), (9, 103017), (23, 40311), (27, 34339), (69, 13437), (207, 4479), (621, 1493)]