20736243

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2$

素因数の和:114

約数の個数: 60

約数和(自身を含む): 36773352

約数和(自身を除く): 16037109

約数列:

[1, 3, 9, 11, 17, 27, 33, 37, 51, 81, 99, 111, 153, 187, 297, 333, 407, 459, 561, 629, 891, 999, 1221, 1369, 1377, 1683, 1887, 2997, 3663, 4107, 5049, 5661, 6919, 10989, 12321, 15059, 15147, 16983, 20757, 23273, 32967, 36963, 45177, 50949, 62271, 69819, 110889, 135531, 186813, 209457, 256003, 406593, 560439, 628371, 768009, 1219779, 1885113, 2304027, 6912081, 20736243]

約数ペア:

[(1, 20736243), (3, 6912081), (9, 2304027), (11, 1885113), (17, 1219779), (27, 768009), (33, 628371), (37, 560439), (51, 406593), (81, 256003), (99, 209457), (111, 186813), (153, 135531), (187, 110889), (297, 69819), (333, 62271), (407, 50949), (459, 45177), (561, 36963), (629, 32967), (891, 23273), (999, 20757), (1221, 16983), (1369, 15147), (1377, 15059), (1683, 12321), (1887, 10989), (2997, 6919), (3663, 5661), (4107, 5049)]