20553807

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{739}}^1$

素因数の和:942

約数の個数: 16

約数和(自身を含む): 28037120

約数和(自身を除く): 7483313

約数列:

[1, 3, 73, 127, 219, 381, 739, 2217, 9271, 27813, 53947, 93853, 161841, 281559, 6851269, 20553807]

約数ペア:

[(1, 20553807), (3, 6851269), (73, 281559), (127, 161841), (219, 93853), (381, 53947), (739, 27813), (2217, 9271)]