20803489

素因数分解:

$7^2\times {\mathrm{127}}^1\times {\mathrm{3343}}^1$

素因数の和:3484

約数の個数: 12

約数和(自身を含む): 24397824

約数和(自身を除く): 3594335

約数列:

[1, 7, 49, 127, 889, 3343, 6223, 23401, 163807, 424561, 2971927, 20803489]

約数ペア:

[(1, 20803489), (7, 2971927), (49, 424561), (127, 163807), (889, 23401), (3343, 6223)]