20761345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1789}}^1$

素因数の和:2016

約数の個数: 16

約数和(自身を含む): 27322560

約数和(自身を除く): 6561215

約数列:

[1, 5, 11, 55, 211, 1055, 1789, 2321, 8945, 11605, 19679, 98395, 377479, 1887395, 4152269, 20761345]

約数ペア:

[(1, 20761345), (5, 4152269), (11, 1887395), (55, 377479), (211, 98395), (1055, 19679), (1789, 11605), (2321, 8945)]