20227077

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 34448960

約数和(自身を除く): 14221883

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 243, 247, 337, 351, 513, 741, 1011, 1053, 1539, 2223, 3033, 3159, 4381, 4617, 6403, 6669, 9099, 13143, 19209, 20007, 27297, 39429, 57627, 60021, 81891, 83239, 118287, 172881, 249717, 354861, 518643, 749151, 1064583, 1555929, 2247453, 6742359, 20227077]

約数ペア:

[(1, 20227077), (3, 6742359), (9, 2247453), (13, 1555929), (19, 1064583), (27, 749151), (39, 518643), (57, 354861), (81, 249717), (117, 172881), (171, 118287), (243, 83239), (247, 81891), (337, 60021), (351, 57627), (513, 39429), (741, 27297), (1011, 20007), (1053, 19209), (1539, 13143), (2223, 9099), (3033, 6669), (3159, 6403), (4381, 4617)]