20762973

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3329}}^1$

素因数の和:3359

約数の個数: 40

約数和(自身を含む): 38681280

約数和(自身を除く): 17918307

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 3329, 6237, 9987, 23303, 29961, 36619, 69909, 89883, 109857, 209727, 256333, 269649, 329571, 629181, 768999, 988713, 1887543, 2306997, 2966139, 6920991, 20762973]

約数ペア:

[(1, 20762973), (3, 6920991), (7, 2966139), (9, 2306997), (11, 1887543), (21, 988713), (27, 768999), (33, 629181), (63, 329571), (77, 269649), (81, 256333), (99, 209727), (189, 109857), (231, 89883), (297, 69909), (567, 36619), (693, 29961), (891, 23303), (2079, 9987), (3329, 6237)]