20483781

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1637}}^1$

素因数の和:1780

約数の個数: 16

約数和(自身を含む): 28252224

約数和(自身を除く): 7768443

約数列:

[1, 3, 43, 97, 129, 291, 1637, 4171, 4911, 12513, 70391, 158789, 211173, 476367, 6827927, 20483781]

約数ペア:

[(1, 20483781), (3, 6827927), (43, 476367), (97, 211173), (129, 158789), (291, 70391), (1637, 12513), (4171, 4911)]