20000512

素因数分解:

$2^8\times 7^1\times {\mathrm{11161}}^1$

素因数の和:11184

約数の個数: 36

約数和(自身を含む): 45630256

約数和(自身を除く): 25629744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11161, 22322, 44644, 78127, 89288, 156254, 178576, 312508, 357152, 625016, 714304, 1250032, 1428608, 2500064, 2857216, 5000128, 10000256, 20000512]

約数ペア:

[(1, 20000512), (2, 10000256), (4, 5000128), (7, 2857216), (8, 2500064), (14, 1428608), (16, 1250032), (28, 714304), (32, 625016), (56, 357152), (64, 312508), (112, 178576), (128, 156254), (224, 89288), (256, 78127), (448, 44644), (896, 22322), (1792, 11161)]