20527512

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{19891}}^1$

素因数の和:19943

約数の個数: 32

約数和(自身を含む): 52514880

約数和(自身を除く): 31987368

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 19891, 39782, 59673, 79564, 119346, 159128, 238692, 477384, 855313, 1710626, 2565939, 3421252, 5131878, 6842504, 10263756, 20527512]

約数ペア:

[(1, 20527512), (2, 10263756), (3, 6842504), (4, 5131878), (6, 3421252), (8, 2565939), (12, 1710626), (24, 855313), (43, 477384), (86, 238692), (129, 159128), (172, 119346), (258, 79564), (344, 59673), (516, 39782), (1032, 19891)]