20859956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{467}}^1\times {\mathrm{859}}^1$

素因数の和:1343

約数の個数: 24

約数和(自身を含む): 39443040

約数和(自身を除く): 18583084

約数列:

[1, 2, 4, 13, 26, 52, 467, 859, 934, 1718, 1868, 3436, 6071, 11167, 12142, 22334, 24284, 44668, 401153, 802306, 1604612, 5214989, 10429978, 20859956]

約数ペア:

[(1, 20859956), (2, 10429978), (4, 5214989), (13, 1604612), (26, 802306), (52, 401153), (467, 44668), (859, 24284), (934, 22334), (1718, 12142), (1868, 11167), (3436, 6071)]