20949872

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{56929}}^1$

素因数の和:56960

約数の個数: 20

約数和(自身を含む): 42355920

約数和(自身を除く): 21406048

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 56929, 113858, 227716, 455432, 910864, 1309367, 2618734, 5237468, 10474936, 20949872]

約数ペア:

[(1, 20949872), (2, 10474936), (4, 5237468), (8, 2618734), (16, 1309367), (23, 910864), (46, 455432), (92, 227716), (184, 113858), (368, 56929)]