20406236704

素因数分解:

$2^5\times 7^1\times {\mathrm{269}}^1\times {\mathrm{338659}}^1$

素因数の和:338945

約数の個数: 48

約数和(自身を含む): 46084852800

約数和(自身を除く): 25678616096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 269, 538, 1076, 1883, 2152, 3766, 4304, 7532, 8608, 15064, 30128, 60256, 338659, 677318, 1354636, 2370613, 2709272, 4741226, 5418544, 9482452, 10837088, 18964904, 37929808, 75859616, 91099271, 182198542, 364397084, 637694897, 728794168, 1275389794, 1457588336, 2550779588, 2915176672, 5101559176, 10203118352, 20406236704]

約数ペア:

[(1, 20406236704), (2, 10203118352), (4, 5101559176), (7, 2915176672), (8, 2550779588), (14, 1457588336), (16, 1275389794), (28, 728794168), (32, 637694897), (56, 364397084), (112, 182198542), (224, 91099271), (269, 75859616), (538, 37929808), (1076, 18964904), (1883, 10837088), (2152, 9482452), (3766, 5418544), (4304, 4741226), (7532, 2709272), (8608, 2370613), (15064, 1354636), (30128, 677318), (60256, 338659)]