20425156

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1297}}^1$

素因数の和:1459

約数の個数: 24

約数和(自身を含む): 37216256

約数和(自身を除く): 16791100

約数列:

[1, 2, 4, 31, 62, 124, 127, 254, 508, 1297, 2594, 3937, 5188, 7874, 15748, 40207, 80414, 160828, 164719, 329438, 658876, 5106289, 10212578, 20425156]

約数ペア:

[(1, 20425156), (2, 10212578), (4, 5106289), (31, 658876), (62, 329438), (124, 164719), (127, 160828), (254, 80414), (508, 40207), (1297, 15748), (2594, 7874), (3937, 5188)]