20495826

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87589}}^1$

素因数の和:87610

約数の個数: 24

約数和(自身を含む): 47824140

約数和(自身を除く): 27328314

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 87589, 175178, 262767, 525534, 788301, 1138657, 1576602, 2277314, 3415971, 6831942, 10247913, 20495826]

約数ペア:

[(1, 20495826), (2, 10247913), (3, 6831942), (6, 3415971), (9, 2277314), (13, 1576602), (18, 1138657), (26, 788301), (39, 525534), (78, 262767), (117, 175178), (234, 87589)]