20342861

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{757}}^1$

素因数の和:1124

約数の個数: 16

約数和(自身を含む): 25468800

約数和(自身を除く): 5125939

約数列:

[1, 7, 11, 77, 349, 757, 2443, 3839, 5299, 8327, 26873, 58289, 264193, 1849351, 2906123, 20342861]

約数ペア:

[(1, 20342861), (7, 2906123), (11, 1849351), (77, 264193), (349, 58289), (757, 26873), (2443, 8327), (3839, 5299)]