20043892

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41413}}^1$

素因数の和:41439

約数の個数: 18

約数和(自身を含む): 38556434

約数和(自身を除く): 18512542

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 41413, 82826, 165652, 455543, 911086, 1822172, 5010973, 10021946, 20043892]

約数ペア:

[(1, 20043892), (2, 10021946), (4, 5010973), (11, 1822172), (22, 911086), (44, 455543), (121, 165652), (242, 82826), (484, 41413)]