20957519

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1499}}^1$

素因数の和:1582

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 3234481

約数列:

[1, 11, 31, 41, 341, 451, 1271, 1499, 13981, 16489, 46469, 61459, 511159, 676049, 1905229, 20957519]

約数ペア:

[(1, 20957519), (11, 1905229), (31, 676049), (41, 511159), (341, 61459), (451, 46469), (1271, 16489), (1499, 13981)]