20163900656

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{208961}}^1$

素因数の和:209169

約数の個数: 40

約数和(自身を含む): 40369786704

約数和(自身を除く): 20205886048

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 163, 296, 326, 592, 652, 1304, 2608, 6031, 12062, 24124, 48248, 96496, 208961, 417922, 835844, 1671688, 3343376, 7731557, 15463114, 30926228, 34060643, 61852456, 68121286, 123704912, 136242572, 272485144, 544970288, 1260243791, 2520487582, 5040975164, 10081950328, 20163900656]

約数ペア:

[(1, 20163900656), (2, 10081950328), (4, 5040975164), (8, 2520487582), (16, 1260243791), (37, 544970288), (74, 272485144), (148, 136242572), (163, 123704912), (296, 68121286), (326, 61852456), (592, 34060643), (652, 30926228), (1304, 15463114), (2608, 7731557), (6031, 3343376), (12062, 1671688), (24124, 835844), (48248, 417922), (96496, 208961)]