20589494

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{787}}^1$

素因数の和:1019

約数の個数: 16

約数和(自身を含む): 31469568

約数和(自身を除く): 10880074

約数列:

[1, 2, 103, 127, 206, 254, 787, 1574, 13081, 26162, 81061, 99949, 162122, 199898, 10294747, 20589494]

約数ペア:

[(1, 20589494), (2, 10294747), (103, 199898), (127, 162122), (206, 99949), (254, 81061), (787, 26162), (1574, 13081)]