20543831

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{557}}^1$

素因数の和:1054

約数の個数: 16

約数和(自身を含む): 25712640

約数和(自身を除く): 5168809

約数列:

[1, 7, 11, 77, 479, 557, 3353, 3899, 5269, 6127, 36883, 42889, 266803, 1867621, 2934833, 20543831]

約数ペア:

[(1, 20543831), (7, 2934833), (11, 1867621), (77, 266803), (479, 42889), (557, 36883), (3353, 6127), (3899, 5269)]