20717507576

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{599}}^1\times {\mathrm{1567}}^1$

素因数の和:2292

約数の個数: 64

約数和(自身を含む): 40642560000

約数和(自身を除く): 19925052424

約数列:

[1, 2, 4, 8, 31, 62, 89, 124, 178, 248, 356, 599, 712, 1198, 1567, 2396, 2759, 3134, 4792, 5518, 6268, 11036, 12536, 18569, 22072, 37138, 48577, 53311, 74276, 97154, 106622, 139463, 148552, 194308, 213244, 278926, 388616, 426488, 557852, 938633, 1115704, 1652641, 1877266, 3305282, 3754532, 4323353, 6610564, 7509064, 8646706, 13221128, 17293412, 29097623, 34586824, 58195246, 83538337, 116390492, 167076674, 232780984, 334153348, 668306696, 2589688447, 5179376894, 10358753788, 20717507576]

約数ペア:

[(1, 20717507576), (2, 10358753788), (4, 5179376894), (8, 2589688447), (31, 668306696), (62, 334153348), (89, 232780984), (124, 167076674), (178, 116390492), (248, 83538337), (356, 58195246), (599, 34586824), (712, 29097623), (1198, 17293412), (1567, 13221128), (2396, 8646706), (2759, 7509064), (3134, 6610564), (4792, 4323353), (5518, 3754532), (6268, 3305282), (11036, 1877266), (12536, 1652641), (18569, 1115704), (22072, 938633), (37138, 557852), (48577, 426488), (53311, 388616), (74276, 278926), (97154, 213244), (106622, 194308), (139463, 148552)]