20651252

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{967}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 38216640

約数和(自身を除く): 17565388

約数列:

[1, 2, 4, 19, 38, 76, 281, 562, 967, 1124, 1934, 3868, 5339, 10678, 18373, 21356, 36746, 73492, 271727, 543454, 1086908, 5162813, 10325626, 20651252]

約数ペア:

[(1, 20651252), (2, 10325626), (4, 5162813), (19, 1086908), (38, 543454), (76, 271727), (281, 73492), (562, 36746), (967, 21356), (1124, 18373), (1934, 10678), (3868, 5339)]