20138841

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1061}}^1$

素因数の和:1126

約数の個数: 32

約数和(自身を含む): 32284800

約数和(自身を除く): 12145959

約数列:

[1, 3, 9, 19, 27, 37, 57, 111, 171, 333, 513, 703, 999, 1061, 2109, 3183, 6327, 9549, 18981, 20159, 28647, 39257, 60477, 117771, 181431, 353313, 544293, 745883, 1059939, 2237649, 6712947, 20138841]

約数ペア:

[(1, 20138841), (3, 6712947), (9, 2237649), (19, 1059939), (27, 745883), (37, 544293), (57, 353313), (111, 181431), (171, 117771), (333, 60477), (513, 39257), (703, 28647), (999, 20159), (1061, 18981), (2109, 9549), (3183, 6327)]