20859869

素因数分解:

${\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:320

約数の個数: 16

約数和(自身を含む): 22364160

約数和(自身を除く): 1504291

約数列:

[1, 31, 47, 103, 139, 1457, 3193, 4309, 4841, 6533, 14317, 150071, 202523, 443827, 672899, 20859869]

約数ペア:

[(1, 20859869), (31, 672899), (47, 443827), (103, 202523), (139, 150071), (1457, 14317), (3193, 6533), (4309, 4841)]