20740893088

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{4211}}^1\times {\mathrm{8101}}^1$

素因数の和:12341

約数の個数: 48

約数和(自身を含む): 42998286240

約数和(自身を除く): 22257393152

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 4211, 8101, 8422, 16202, 16844, 32404, 33688, 64808, 67376, 80009, 129616, 134752, 153919, 160018, 259232, 307838, 320036, 615676, 640072, 1231352, 1280144, 2462704, 2560288, 4925408, 34113311, 68226622, 136453244, 272906488, 545812976, 648152909, 1091625952, 1296305818, 2592611636, 5185223272, 10370446544, 20740893088]

約数ペア:

[(1, 20740893088), (2, 10370446544), (4, 5185223272), (8, 2592611636), (16, 1296305818), (19, 1091625952), (32, 648152909), (38, 545812976), (76, 272906488), (152, 136453244), (304, 68226622), (608, 34113311), (4211, 4925408), (8101, 2560288), (8422, 2462704), (16202, 1280144), (16844, 1231352), (32404, 640072), (33688, 615676), (64808, 320036), (67376, 307838), (80009, 259232), (129616, 160018), (134752, 153919)]