20254156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1481}}^1$

素因数の和:1761

約数の個数: 24

約数和(自身を含む): 38342304

約数和(自身を除く): 18088148

約数列:

[1, 2, 4, 13, 26, 52, 263, 526, 1052, 1481, 2962, 3419, 5924, 6838, 13676, 19253, 38506, 77012, 389503, 779006, 1558012, 5063539, 10127078, 20254156]

約数ペア:

[(1, 20254156), (2, 10127078), (4, 5063539), (13, 1558012), (26, 779006), (52, 389503), (263, 77012), (526, 38506), (1052, 19253), (1481, 13676), (2962, 6838), (3419, 5924)]