20314287

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5657}}^1$

素因数の和:5692

約数の個数: 32

約数和(自身を含む): 36211200

約数和(自身を除く): 15896913

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 5657, 16971, 39599, 50913, 107483, 118797, 152739, 322449, 356391, 752381, 967347, 1069173, 2257143, 2902041, 6771429, 20314287]

約数ペア:

[(1, 20314287), (3, 6771429), (7, 2902041), (9, 2257143), (19, 1069173), (21, 967347), (27, 752381), (57, 356391), (63, 322449), (133, 152739), (171, 118797), (189, 107483), (399, 50913), (513, 39599), (1197, 16971), (3591, 5657)]