20494256

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{27253}}^1$

素因数の和:27308

約数の個数: 20

約数和(自身を含む): 40553952

約数和(自身を除く): 20059696

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 27253, 54506, 109012, 218024, 436048, 1280891, 2561782, 5123564, 10247128, 20494256]

約数ペア:

[(1, 20494256), (2, 10247128), (4, 5123564), (8, 2561782), (16, 1280891), (47, 436048), (94, 218024), (188, 109012), (376, 54506), (752, 27253)]