20121807

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{1033}}^1$

素因数の和:1230

約数の個数: 16

約数和(自身を含む): 27661568

約数和(自身を除く): 7539761

約数列:

[1, 3, 43, 129, 151, 453, 1033, 3099, 6493, 19479, 44419, 133257, 155983, 467949, 6707269, 20121807]

約数ペア:

[(1, 20121807), (3, 6707269), (43, 467949), (129, 155983), (151, 133257), (453, 44419), (1033, 19479), (3099, 6493)]