20475872

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{20641}}^1$

素因数の和:20682

約数の個数: 24

約数和(自身を含む): 41614272

約数和(自身を除く): 21138400

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 20641, 41282, 82564, 165128, 330256, 639871, 660512, 1279742, 2559484, 5118968, 10237936, 20475872]

約数ペア:

[(1, 20475872), (2, 10237936), (4, 5118968), (8, 2559484), (16, 1279742), (31, 660512), (32, 639871), (62, 330256), (124, 165128), (248, 82564), (496, 41282), (992, 20641)]