20570543

素因数分解:

$7^2\times {\mathrm{197}}^1\times {\mathrm{2131}}^1$

素因数の和:2342

約数の個数: 12

約数和(自身を含む): 24061752

約数和(自身を除く): 3491209

約数列:

[1, 7, 49, 197, 1379, 2131, 9653, 14917, 104419, 419807, 2938649, 20570543]

約数ペア:

[(1, 20570543), (7, 2938649), (49, 419807), (197, 104419), (1379, 14917), (2131, 9653)]