20859218

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{839}}^1$

素因数の和:1273

約数の個数: 16

約数和(自身を含む): 32417280

約数和(自身を除く): 11558062

約数列:

[1, 2, 31, 62, 401, 802, 839, 1678, 12431, 24862, 26009, 52018, 336439, 672878, 10429609, 20859218]

約数ペア:

[(1, 20859218), (2, 10429609), (31, 672878), (62, 336439), (401, 52018), (802, 26009), (839, 24862), (1678, 12431)]