20856451

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{617}}^1$

素因数の和:1074

約数の個数: 16

約数和(自身を含む): 26104320

約数和(自身を除く): 5247869

約数列:

[1, 7, 11, 77, 439, 617, 3073, 4319, 4829, 6787, 33803, 47509, 270863, 1896041, 2979493, 20856451]

約数ペア:

[(1, 20856451), (7, 2979493), (11, 1896041), (77, 270863), (439, 47509), (617, 33803), (3073, 6787), (4319, 4829)]