20509312

素因数分解:

$2^7\times {\mathrm{163}}^1\times {\mathrm{983}}^1$

素因数の和:1160

約数の個数: 32

約数和(自身を含む): 41150880

約数和(自身を除く): 20641568

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 163, 326, 652, 983, 1304, 1966, 2608, 3932, 5216, 7864, 10432, 15728, 20864, 31456, 62912, 125824, 160229, 320458, 640916, 1281832, 2563664, 5127328, 10254656, 20509312]

約数ペア:

[(1, 20509312), (2, 10254656), (4, 5127328), (8, 2563664), (16, 1281832), (32, 640916), (64, 320458), (128, 160229), (163, 125824), (326, 62912), (652, 31456), (983, 20864), (1304, 15728), (1966, 10432), (2608, 7864), (3932, 5216)]