20456774

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{2087}}^1$

素因数の和:2144

約数の個数: 24

約数和(自身を含む): 34389360

約数和(自身を除く): 13932586

約数列:

[1, 2, 13, 26, 29, 58, 169, 338, 377, 754, 2087, 4174, 4901, 9802, 27131, 54262, 60523, 121046, 352703, 705406, 786799, 1573598, 10228387, 20456774]

約数ペア:

[(1, 20456774), (2, 10228387), (13, 1573598), (26, 786799), (29, 705406), (58, 352703), (169, 121046), (338, 60523), (377, 54262), (754, 27131), (2087, 9802), (4174, 4901)]