20970279

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{70607}}^1$

素因数の和:70627

約数の個数: 16

約数和(自身を含む): 33891840

約数和(自身を除く): 12921561

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 70607, 211821, 635463, 776677, 1906389, 2330031, 6990093, 20970279]

約数ペア:

[(1, 20970279), (3, 6990093), (9, 2330031), (11, 1906389), (27, 776677), (33, 635463), (99, 211821), (297, 70607)]