20871182

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{2153}}^1$

素因数の和:2323

約数の個数: 16

約数和(自身を含む): 32413392

約数和(自身を除く): 11542210

約数列:

[1, 2, 37, 74, 131, 262, 2153, 4306, 4847, 9694, 79661, 159322, 282043, 564086, 10435591, 20871182]

約数ペア:

[(1, 20871182), (2, 10435591), (37, 564086), (74, 282043), (131, 159322), (262, 79661), (2153, 9694), (4306, 4847)]