20163915856

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{577}}^1\times {\mathrm{4657}}^1$

素因数の和:5316

約数の個数: 80

約数和(自身を含む): 45403351936

約数和(自身を除く): 25239436080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 577, 938, 1072, 1154, 1876, 2308, 3752, 4039, 4616, 4657, 7504, 8078, 9232, 9314, 16156, 18628, 32312, 32599, 37256, 38659, 64624, 65198, 74512, 77318, 130396, 154636, 260792, 270613, 309272, 312019, 521584, 541226, 618544, 624038, 1082452, 1248076, 2164904, 2184133, 2496152, 2687089, 4329808, 4368266, 4992304, 5374178, 8736532, 10748356, 17473064, 18809623, 21496712, 34946128, 37619246, 42993424, 75238492, 150476984, 180034963, 300953968, 360069926, 720139852, 1260244741, 1440279704, 2520489482, 2880559408, 5040978964, 10081957928, 20163915856]

約数ペア:

[(1, 20163915856), (2, 10081957928), (4, 5040978964), (7, 2880559408), (8, 2520489482), (14, 1440279704), (16, 1260244741), (28, 720139852), (56, 360069926), (67, 300953968), (112, 180034963), (134, 150476984), (268, 75238492), (469, 42993424), (536, 37619246), (577, 34946128), (938, 21496712), (1072, 18809623), (1154, 17473064), (1876, 10748356), (2308, 8736532), (3752, 5374178), (4039, 4992304), (4616, 4368266), (4657, 4329808), (7504, 2687089), (8078, 2496152), (9232, 2184133), (9314, 2164904), (16156, 1248076), (18628, 1082452), (32312, 624038), (32599, 618544), (37256, 541226), (38659, 521584), (64624, 312019), (65198, 309272), (74512, 270613), (77318, 260792), (130396, 154636)]