20260384

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:785

約数の個数: 48

約数和(自身を含む): 42940800

約数和(自身を除く): 22680416

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 76, 94, 152, 188, 304, 376, 608, 709, 752, 893, 1418, 1504, 1786, 2836, 3572, 5672, 7144, 11344, 13471, 14288, 22688, 26942, 28576, 33323, 53884, 66646, 107768, 133292, 215536, 266584, 431072, 533168, 633137, 1066336, 1266274, 2532548, 5065096, 10130192, 20260384]

約数ペア:

[(1, 20260384), (2, 10130192), (4, 5065096), (8, 2532548), (16, 1266274), (19, 1066336), (32, 633137), (38, 533168), (47, 431072), (76, 266584), (94, 215536), (152, 133292), (188, 107768), (304, 66646), (376, 53884), (608, 33323), (709, 28576), (752, 26942), (893, 22688), (1418, 14288), (1504, 13471), (1786, 11344), (2836, 7144), (3572, 5672)]