20191336

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1153}}^1$

素因数の和:1369

約数の個数: 32

約数和(自身を含む): 41544000

約数和(自身を除く): 21352664

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 199, 398, 796, 1153, 1592, 2189, 2306, 4378, 4612, 8756, 9224, 12683, 17512, 25366, 50732, 101464, 229447, 458894, 917788, 1835576, 2523917, 5047834, 10095668, 20191336]

約数ペア:

[(1, 20191336), (2, 10095668), (4, 5047834), (8, 2523917), (11, 1835576), (22, 917788), (44, 458894), (88, 229447), (199, 101464), (398, 50732), (796, 25366), (1153, 17512), (1592, 12683), (2189, 9224), (2306, 8756), (4378, 4612)]