20161497872

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{54786679}}^1$

素因数の和:54786710

約数の個数: 20

約数和(自身を含む): 40761289920

約数和(自身を除く): 20599792048

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 54786679, 109573358, 219146716, 438293432, 876586864, 1260093617, 2520187234, 5040374468, 10080748936, 20161497872]

約数ペア:

[(1, 20161497872), (2, 10080748936), (4, 5040374468), (8, 2520187234), (16, 1260093617), (23, 876586864), (46, 438293432), (92, 219146716), (184, 109573358), (368, 54786679)]