20471632

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{9767}}^1$

素因数の和:9906

約数の個数: 20

約数和(自身を含む): 39970656

約数和(自身を除く): 19499024

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 9767, 19534, 39068, 78136, 156272, 1279477, 2558954, 5117908, 10235816, 20471632]

約数ペア:

[(1, 20471632), (2, 10235816), (4, 5117908), (8, 2558954), (16, 1279477), (131, 156272), (262, 78136), (524, 39068), (1048, 19534), (2096, 9767)]