20520247

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2089}}^1$

素因数の和:2166

約数の個数: 16

約数和(自身を含む): 24076800

約数和(自身を除く): 3556553

約数列:

[1, 11, 19, 47, 209, 517, 893, 2089, 9823, 22979, 39691, 98183, 436601, 1080013, 1865477, 20520247]

約数ペア:

[(1, 20520247), (11, 1865477), (19, 1080013), (47, 436601), (209, 98183), (517, 39691), (893, 22979), (2089, 9823)]