20407714

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1\times {\mathrm{661}}^1$

素因数の和:1065

約数の個数: 16

約数和(自身を含む): 31458240

約数和(自身を除く): 11050526

約数列:

[1, 2, 43, 86, 359, 661, 718, 1322, 15437, 28423, 30874, 56846, 237299, 474598, 10203857, 20407714]

約数ペア:

[(1, 20407714), (2, 10203857), (43, 474598), (86, 237299), (359, 56846), (661, 30874), (718, 28423), (1322, 15437)]