20702308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1789}}^1$

素因数の和:2067

約数の個数: 24

約数和(自身を含む): 39695040

約数和(自身を除く): 18992732

約数列:

[1, 2, 4, 11, 22, 44, 263, 526, 1052, 1789, 2893, 3578, 5786, 7156, 11572, 19679, 39358, 78716, 470507, 941014, 1882028, 5175577, 10351154, 20702308]

約数ペア:

[(1, 20702308), (2, 10351154), (4, 5175577), (11, 1882028), (22, 941014), (44, 470507), (263, 78716), (526, 39358), (1052, 19679), (1789, 11572), (2893, 7156), (3578, 5786)]