20021254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{6947}}^1$

素因数の和:7091

約数の個数: 16

約数和(自身を含む): 33016896

約数和(自身を除く): 12995642

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 6947, 13894, 76417, 152834, 910057, 1820114, 10010627, 20021254]

約数ペア:

[(1, 20021254), (2, 10010627), (11, 1820114), (22, 910057), (131, 152834), (262, 76417), (1441, 13894), (2882, 6947)]