20849894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{19559}}^1$

素因数の和:19615

約数の個数: 16

約数和(自身を含む): 34503840

約数和(自身を除く): 13653946

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 19559, 39118, 254267, 508534, 801919, 1603838, 10424947, 20849894]

約数ペア:

[(1, 20849894), (2, 10424947), (13, 1603838), (26, 801919), (41, 508534), (82, 254267), (533, 39118), (1066, 19559)]