20909556

素因数分解:

$2^2\times 3^3\times {\mathrm{193607}}^1$

素因数の和:193620

約数の個数: 24

約数和(自身を含む): 54210240

約数和(自身を除く): 33300684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 193607, 387214, 580821, 774428, 1161642, 1742463, 2323284, 3484926, 5227389, 6969852, 10454778, 20909556]

約数ペア:

[(1, 20909556), (2, 10454778), (3, 6969852), (4, 5227389), (6, 3484926), (9, 2323284), (12, 1742463), (18, 1161642), (27, 774428), (36, 580821), (54, 387214), (108, 193607)]