20338911

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{967}}^1$

素因数の和:1036

約数の個数: 32

約数和(自身を含む): 32524800

約数和(自身を除く): 12185889

約数列:

[1, 3, 9, 19, 27, 41, 57, 123, 171, 369, 513, 779, 967, 1107, 2337, 2901, 7011, 8703, 18373, 21033, 26109, 39647, 55119, 118941, 165357, 356823, 496071, 753293, 1070469, 2259879, 6779637, 20338911]

約数ペア:

[(1, 20338911), (3, 6779637), (9, 2259879), (19, 1070469), (27, 753293), (41, 496071), (57, 356823), (123, 165357), (171, 118941), (369, 55119), (513, 39647), (779, 26109), (967, 21033), (1107, 18373), (2337, 8703), (2901, 7011)]