20652064

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{4643}}^1$

素因数の和:4792

約数の個数: 24

約数和(自身を含む): 40960080

約数和(自身を除く): 20308016

約数列:

[1, 2, 4, 8, 16, 32, 139, 278, 556, 1112, 2224, 4448, 4643, 9286, 18572, 37144, 74288, 148576, 645377, 1290754, 2581508, 5163016, 10326032, 20652064]

約数ペア:

[(1, 20652064), (2, 10326032), (4, 5163016), (8, 2581508), (16, 1290754), (32, 645377), (139, 148576), (278, 74288), (556, 37144), (1112, 18572), (2224, 9286), (4448, 4643)]