20834253

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:439

約数の個数: 40

約数和(自身を含む): 34557600

約数和(自身を除く): 13723347

約数列:

[1, 3, 9, 11, 27, 33, 67, 81, 99, 201, 297, 349, 603, 737, 891, 1047, 1809, 2211, 3141, 3839, 5427, 6633, 9423, 11517, 19899, 23383, 28269, 34551, 59697, 70149, 103653, 210447, 257213, 310959, 631341, 771639, 1894023, 2314917, 6944751, 20834253]

約数ペア:

[(1, 20834253), (3, 6944751), (9, 2314917), (11, 1894023), (27, 771639), (33, 631341), (67, 310959), (81, 257213), (99, 210447), (201, 103653), (297, 70149), (349, 59697), (603, 34551), (737, 28269), (891, 23383), (1047, 19899), (1809, 11517), (2211, 9423), (3141, 6633), (3839, 5427)]