20714967

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8431}}^1$

素因数の和:8460

約数の個数: 32

約数和(自身を含む): 37775360

約数和(自身を除く): 17060393

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8431, 25293, 59017, 75879, 109603, 177051, 227637, 328809, 531153, 767221, 986427, 1593459, 2301663, 2959281, 6904989, 20714967]

約数ペア:

[(1, 20714967), (3, 6904989), (7, 2959281), (9, 2301663), (13, 1593459), (21, 986427), (27, 767221), (39, 531153), (63, 328809), (91, 227637), (117, 177051), (189, 109603), (273, 75879), (351, 59017), (819, 25293), (2457, 8431)]