20546144

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{719}}^1$

素因数の和:795

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 22999456

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 76, 94, 152, 188, 304, 376, 608, 719, 752, 893, 1438, 1504, 1786, 2876, 3572, 5752, 7144, 11504, 13661, 14288, 23008, 27322, 28576, 33793, 54644, 67586, 109288, 135172, 218576, 270344, 437152, 540688, 642067, 1081376, 1284134, 2568268, 5136536, 10273072, 20546144]

約数ペア:

[(1, 20546144), (2, 10273072), (4, 5136536), (8, 2568268), (16, 1284134), (19, 1081376), (32, 642067), (38, 540688), (47, 437152), (76, 270344), (94, 218576), (152, 135172), (188, 109288), (304, 67586), (376, 54644), (608, 33793), (719, 28576), (752, 27322), (893, 23008), (1438, 14288), (1504, 13661), (1786, 11504), (2876, 7144), (3572, 5752)]