20658294

素因数分解:

$2^1\times 3^3\times {\mathrm{163}}^1\times {\mathrm{2347}}^1$

素因数の和:2521

約数の個数: 32

約数和(自身を含む): 46208640

約数和(自身を除く): 25550346

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 163, 326, 489, 978, 1467, 2347, 2934, 4401, 4694, 7041, 8802, 14082, 21123, 42246, 63369, 126738, 382561, 765122, 1147683, 2295366, 3443049, 6886098, 10329147, 20658294]

約数ペア:

[(1, 20658294), (2, 10329147), (3, 6886098), (6, 3443049), (9, 2295366), (18, 1147683), (27, 765122), (54, 382561), (163, 126738), (326, 63369), (489, 42246), (978, 21123), (1467, 14082), (2347, 8802), (2934, 7041), (4401, 4694)]