20068959

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 30240000

約数和(自身を除く): 10171041

約数列:

[1, 3, 17, 19, 51, 57, 139, 149, 323, 417, 447, 969, 2363, 2533, 2641, 2831, 7089, 7599, 7923, 8493, 20711, 44897, 48127, 62133, 134691, 144381, 352087, 393509, 1056261, 1180527, 6689653, 20068959]

約数ペア:

[(1, 20068959), (3, 6689653), (17, 1180527), (19, 1056261), (51, 393509), (57, 352087), (139, 144381), (149, 134691), (323, 62133), (417, 48127), (447, 44897), (969, 20711), (2363, 8493), (2533, 7923), (2641, 7599), (2831, 7089)]