20985062

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65171}}^1$

素因数の和:65203

約数の個数: 16

約数和(自身を含む): 37539072

約数和(自身を除く): 16554010

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 65171, 130342, 456197, 912394, 1498933, 2997866, 10492531, 20985062]

約数ペア:

[(1, 20985062), (2, 10492531), (7, 2997866), (14, 1498933), (23, 912394), (46, 456197), (161, 130342), (322, 65171)]