20161559688

素因数分解:

$2^3\times 3^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1\times {\mathrm{17317}}^1$

素因数の和:17814

約数の個数: 64

約数和(自身を含む): 50914920000

約数和(自身を除く): 30753360312

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 139, 278, 349, 417, 556, 698, 834, 1047, 1112, 1396, 1668, 2094, 2792, 3336, 4188, 8376, 17317, 34634, 48511, 51951, 69268, 97022, 103902, 138536, 145533, 194044, 207804, 291066, 388088, 415608, 582132, 1164264, 2407063, 4814126, 6043633, 7221189, 9628252, 12087266, 14442378, 18130899, 19256504, 24174532, 28884756, 36261798, 48349064, 57769512, 72523596, 145047192, 840064987, 1680129974, 2520194961, 3360259948, 5040389922, 6720519896, 10080779844, 20161559688]

約数ペア:

[(1, 20161559688), (2, 10080779844), (3, 6720519896), (4, 5040389922), (6, 3360259948), (8, 2520194961), (12, 1680129974), (24, 840064987), (139, 145047192), (278, 72523596), (349, 57769512), (417, 48349064), (556, 36261798), (698, 28884756), (834, 24174532), (1047, 19256504), (1112, 18130899), (1396, 14442378), (1668, 12087266), (2094, 9628252), (2792, 7221189), (3336, 6043633), (4188, 4814126), (8376, 2407063), (17317, 1164264), (34634, 582132), (48511, 415608), (51951, 388088), (69268, 291066), (97022, 207804), (103902, 194044), (138536, 145533)]