20374479

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{6271}}^1$

素因数の和:6315

約数の個数: 18

約数和(自身を含む): 31065216

約数和(自身を除く): 10690737

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 6271, 18813, 56439, 119149, 357447, 1072341, 2263831, 6791493, 20374479]

約数ペア:

[(1, 20374479), (3, 6791493), (9, 2263831), (19, 1072341), (57, 357447), (171, 119149), (361, 56439), (1083, 18813), (3249, 6271)]