20156822272

素因数分解:

$2^8\times {\mathrm{127}}^1\times {\mathrm{619981}}^1$

素因数の和:620124

約数の個数: 36

約数和(自身を含む): 40551782656

約数和(自身を除く): 20394960384

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 1016, 2032, 4064, 8128, 16256, 32512, 619981, 1239962, 2479924, 4959848, 9919696, 19839392, 39678784, 78737587, 79357568, 157475174, 158715136, 314950348, 629900696, 1259801392, 2519602784, 5039205568, 10078411136, 20156822272]

約数ペア:

[(1, 20156822272), (2, 10078411136), (4, 5039205568), (8, 2519602784), (16, 1259801392), (32, 629900696), (64, 314950348), (127, 158715136), (128, 157475174), (254, 79357568), (256, 78737587), (508, 39678784), (1016, 19839392), (2032, 9919696), (4064, 4959848), (8128, 2479924), (16256, 1239962), (32512, 619981)]