20871294

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{65633}}^1$

素因数の和:65691

約数の個数: 16

約数和(自身を含む): 42530832

約数和(自身を除く): 21659538

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 65633, 131266, 196899, 393798, 3478549, 6957098, 10435647, 20871294]

約数ペア:

[(1, 20871294), (2, 10435647), (3, 6957098), (6, 3478549), (53, 393798), (106, 196899), (159, 131266), (318, 65633)]