20276864

素因数分解:

$2^7\times {\mathrm{157}}^1\times {\mathrm{1009}}^1$

素因数の和:1180

約数の個数: 32

約数和(自身を含む): 40692900

約数和(自身を除く): 20416036

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 314, 628, 1009, 1256, 2018, 2512, 4036, 5024, 8072, 10048, 16144, 20096, 32288, 64576, 129152, 158413, 316826, 633652, 1267304, 2534608, 5069216, 10138432, 20276864]

約数ペア:

[(1, 20276864), (2, 10138432), (4, 5069216), (8, 2534608), (16, 1267304), (32, 633652), (64, 316826), (128, 158413), (157, 129152), (314, 64576), (628, 32288), (1009, 20096), (1256, 16144), (2018, 10048), (2512, 8072), (4036, 5024)]