20201657584

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1126319}}^1$

素因数の和:1126405

約数の個数: 40

約数和(自身を含む): 41899104000

約数和(自身を除く): 21697446416

約数列:

[1, 2, 4, 8, 16, 19, 38, 59, 76, 118, 152, 236, 304, 472, 944, 1121, 2242, 4484, 8968, 17936, 1126319, 2252638, 4505276, 9010552, 18021104, 21400061, 42800122, 66452821, 85600244, 132905642, 171200488, 265811284, 342400976, 531622568, 1063245136, 1262603599, 2525207198, 5050414396, 10100828792, 20201657584]

約数ペア:

[(1, 20201657584), (2, 10100828792), (4, 5050414396), (8, 2525207198), (16, 1262603599), (19, 1063245136), (38, 531622568), (59, 342400976), (76, 265811284), (118, 171200488), (152, 132905642), (236, 85600244), (304, 66452821), (472, 42800122), (944, 21400061), (1121, 18021104), (2242, 9010552), (4484, 4505276), (8968, 2252638), (17936, 1126319)]