20215884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{129589}}^1$

素因数の和:129609

約数の個数: 24

約数和(自身を含む): 50799280

約数和(自身を除く): 30583396

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 129589, 259178, 388767, 518356, 777534, 1555068, 1684657, 3369314, 5053971, 6738628, 10107942, 20215884]

約数ペア:

[(1, 20215884), (2, 10107942), (3, 6738628), (4, 5053971), (6, 3369314), (12, 1684657), (13, 1555068), (26, 777534), (39, 518356), (52, 388767), (78, 259178), (156, 129589)]