20018048

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{3637}}^1$

素因数の和:3694

約数の個数: 32

約数和(自身を含む): 40818360

約数和(自身を除く): 20800312

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 688, 1376, 2752, 3637, 5504, 7274, 14548, 29096, 58192, 116384, 156391, 232768, 312782, 465536, 625564, 1251128, 2502256, 5004512, 10009024, 20018048]

約数ペア:

[(1, 20018048), (2, 10009024), (4, 5004512), (8, 2502256), (16, 1251128), (32, 625564), (43, 465536), (64, 312782), (86, 232768), (128, 156391), (172, 116384), (344, 58192), (688, 29096), (1376, 14548), (2752, 7274), (3637, 5504)]