20109544

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1201}}^1$

素因数の和:1250

約数の個数: 64

約数和(自身を含む): 48464640

約数和(自身を除く): 28355096

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 46, 52, 56, 91, 92, 104, 161, 182, 184, 299, 322, 364, 598, 644, 728, 1196, 1201, 1288, 2093, 2392, 2402, 4186, 4804, 8372, 8407, 9608, 15613, 16744, 16814, 27623, 31226, 33628, 55246, 62452, 67256, 109291, 110492, 124904, 193361, 218582, 220984, 359099, 386722, 437164, 718198, 773444, 874328, 1436396, 1546888, 2513693, 2872792, 5027386, 10054772, 20109544]

約数ペア:

[(1, 20109544), (2, 10054772), (4, 5027386), (7, 2872792), (8, 2513693), (13, 1546888), (14, 1436396), (23, 874328), (26, 773444), (28, 718198), (46, 437164), (52, 386722), (56, 359099), (91, 220984), (92, 218582), (104, 193361), (161, 124904), (182, 110492), (184, 109291), (299, 67256), (322, 62452), (364, 55246), (598, 33628), (644, 31226), (728, 27623), (1196, 16814), (1201, 16744), (1288, 15613), (2093, 9608), (2392, 8407), (2402, 8372), (4186, 4804)]