20249543727

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2100793}}^1$

素因数の和:2100829

約数の個数: 40

約数和(自身を含む): 36604234656

約数和(自身を除く): 16354690929

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 357, 459, 567, 1071, 1377, 3213, 9639, 2100793, 6302379, 14705551, 18907137, 35713481, 44116653, 56721411, 107140443, 132349959, 170164233, 249994367, 321421329, 397049877, 749983101, 964263987, 1191149631, 2249949303, 2892791961, 6749847909, 20249543727]

約数ペア:

[(1, 20249543727), (3, 6749847909), (7, 2892791961), (9, 2249949303), (17, 1191149631), (21, 964263987), (27, 749983101), (51, 397049877), (63, 321421329), (81, 249994367), (119, 170164233), (153, 132349959), (189, 107140443), (357, 56721411), (459, 44116653), (567, 35713481), (1071, 18907137), (1377, 14705551), (3213, 6302379), (9639, 2100793)]