20347173

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9787}}^1$

素因数の和:9814

約数の個数: 32

約数和(自身を含む): 37585920

約数和(自身を除く): 17238747

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 9787, 29361, 68509, 88083, 107657, 205527, 264249, 322971, 616581, 753599, 968913, 1849743, 2260797, 2906739, 6782391, 20347173]

約数ペア:

[(1, 20347173), (3, 6782391), (7, 2906739), (9, 2260797), (11, 1849743), (21, 968913), (27, 753599), (33, 616581), (63, 322971), (77, 264249), (99, 205527), (189, 107657), (231, 88083), (297, 68509), (693, 29361), (2079, 9787)]