20085219

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9661}}^1$

素因数の和:9688

約数の個数: 32

約数和(自身を含む): 37102080

約数和(自身を除く): 17016861

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 9661, 28983, 67627, 86949, 106271, 202881, 260847, 318813, 608643, 743897, 956439, 1825929, 2231691, 2869317, 6695073, 20085219]

約数ペア:

[(1, 20085219), (3, 6695073), (7, 2869317), (9, 2231691), (11, 1825929), (21, 956439), (27, 743897), (33, 608643), (63, 318813), (77, 260847), (99, 202881), (189, 106271), (231, 86949), (297, 67627), (693, 28983), (2079, 9661)]