20218142

素因数分解:

$2^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{4363}}^1$

素因数の和:4703

約数の個数: 16

約数和(自身を含む): 34772352

約数和(自身を除く): 14554210

約数列:

[1, 2, 7, 14, 331, 662, 2317, 4363, 4634, 8726, 30541, 61082, 1444153, 2888306, 10109071, 20218142]

約数ペア:

[(1, 20218142), (2, 10109071), (7, 2888306), (14, 1444153), (331, 61082), (662, 30541), (2317, 8726), (4363, 4634)]