20049883

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{647}}^1$

素因数の和:906

約数の個数: 16

約数和(自身を含む): 24261120

約数和(自身を除く): 4211237

約数列:

[1, 7, 19, 133, 233, 647, 1631, 4427, 4529, 12293, 30989, 86051, 150751, 1055257, 2864269, 20049883]

約数ペア:

[(1, 20049883), (7, 2864269), (19, 1055257), (133, 150751), (233, 86051), (647, 30989), (1631, 12293), (4427, 4529)]