20702920608

素因数分解:

$2^5\times 3^2\times {\mathrm{887}}^1\times {\mathrm{81043}}^1$

素因数の和:81946

約数の個数: 72

約数和(自身を含む): 58941031968

約数和(自身を除く): 38238111360

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 887, 1774, 2661, 3548, 5322, 7096, 7983, 10644, 14192, 15966, 21288, 28384, 31932, 42576, 63864, 81043, 85152, 127728, 162086, 243129, 255456, 324172, 486258, 648344, 729387, 972516, 1296688, 1458774, 1945032, 2593376, 2917548, 3890064, 5835096, 7780128, 11670192, 23340384, 71885141, 143770282, 215655423, 287540564, 431310846, 575081128, 646966269, 862621692, 1150162256, 1293932538, 1725243384, 2300324512, 2587865076, 3450486768, 5175730152, 6900973536, 10351460304, 20702920608]

約数ペア:

[(1, 20702920608), (2, 10351460304), (3, 6900973536), (4, 5175730152), (6, 3450486768), (8, 2587865076), (9, 2300324512), (12, 1725243384), (16, 1293932538), (18, 1150162256), (24, 862621692), (32, 646966269), (36, 575081128), (48, 431310846), (72, 287540564), (96, 215655423), (144, 143770282), (288, 71885141), (887, 23340384), (1774, 11670192), (2661, 7780128), (3548, 5835096), (5322, 3890064), (7096, 2917548), (7983, 2593376), (10644, 1945032), (14192, 1458774), (15966, 1296688), (21288, 972516), (28384, 729387), (31932, 648344), (42576, 486258), (63864, 324172), (81043, 255456), (85152, 243129), (127728, 162086)]