20582991

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1777}}^1$

素因数の和:1813

約数の個数: 40

約数和(自身を含む): 36143184

約数和(自身を除く): 15560193

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 297, 351, 429, 891, 1053, 1287, 1777, 3861, 5331, 11583, 15993, 19547, 23101, 47979, 58641, 69303, 143937, 175923, 207909, 254111, 527769, 623727, 762333, 1583307, 1871181, 2286999, 6860997, 20582991]

約数ペア:

[(1, 20582991), (3, 6860997), (9, 2286999), (11, 1871181), (13, 1583307), (27, 762333), (33, 623727), (39, 527769), (81, 254111), (99, 207909), (117, 175923), (143, 143937), (297, 69303), (351, 58641), (429, 47979), (891, 23101), (1053, 19547), (1287, 15993), (1777, 11583), (3861, 5331)]