20450757

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{2687}}^1$

素因数の和:2792

約数の個数: 16

約数和(自身を含む): 28385280

約数和(自身を除く): 7934523

約数列:

[1, 3, 43, 59, 129, 177, 2537, 2687, 7611, 8061, 115541, 158533, 346623, 475599, 6816919, 20450757]

約数ペア:

[(1, 20450757), (3, 6816919), (43, 475599), (59, 346623), (129, 158533), (177, 115541), (2537, 8061), (2687, 7611)]