20090052704

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{1297}}^1\times {\mathrm{11257}}^1$

素因数の和:12607

約数の個数: 48

約数和(自身を含む): 40506914448

約数和(自身を除く): 20416861744

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1297, 1376, 2594, 5188, 10376, 11257, 20752, 22514, 41504, 45028, 55771, 90056, 111542, 180112, 223084, 360224, 446168, 484051, 892336, 968102, 1784672, 1936204, 3872408, 7744816, 14600329, 15489632, 29200658, 58401316, 116802632, 233605264, 467210528, 627814147, 1255628294, 2511256588, 5022513176, 10045026352, 20090052704]

約数ペア:

[(1, 20090052704), (2, 10045026352), (4, 5022513176), (8, 2511256588), (16, 1255628294), (32, 627814147), (43, 467210528), (86, 233605264), (172, 116802632), (344, 58401316), (688, 29200658), (1297, 15489632), (1376, 14600329), (2594, 7744816), (5188, 3872408), (10376, 1936204), (11257, 1784672), (20752, 968102), (22514, 892336), (41504, 484051), (45028, 446168), (55771, 360224), (90056, 223084), (111542, 180112)]