20033857521

素因数分解:

$3^3\times {\mathrm{257}}^1\times {\mathrm{2887139}}^1$

素因数の和:2887405

約数の個数: 16

約数和(自身を含む): 29795284800

約数和(自身を除く): 9761427279

約数列:

[1, 3, 9, 27, 257, 771, 2313, 6939, 2887139, 8661417, 25984251, 77952753, 741994723, 2225984169, 6677952507, 20033857521]

約数ペア:

[(1, 20033857521), (3, 6677952507), (9, 2225984169), (27, 741994723), (257, 77952753), (771, 25984251), (2313, 8661417), (6939, 2887139)]