20534801

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1499}}^1$

素因数の和:1628

約数の個数: 16

約数和(自身を含む): 24960000

約数和(自身を除く): 4425199

約数列:

[1, 7, 19, 103, 133, 721, 1499, 1957, 10493, 13699, 28481, 154397, 199367, 1080779, 2933543, 20534801]

約数ペア:

[(1, 20534801), (7, 2933543), (19, 1080779), (103, 199367), (133, 154397), (721, 28481), (1499, 13699), (1957, 10493)]