20598256

素因数分解:

$2^4\times 7^1\times {\mathrm{353}}^1\times {\mathrm{521}}^1$

素因数の和:889

約数の個数: 40

約数和(自身を含む): 45827424

約数和(自身を除く): 25229168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 353, 521, 706, 1042, 1412, 2084, 2471, 2824, 3647, 4168, 4942, 5648, 7294, 8336, 9884, 14588, 19768, 29176, 39536, 58352, 183913, 367826, 735652, 1287391, 1471304, 2574782, 2942608, 5149564, 10299128, 20598256]

約数ペア:

[(1, 20598256), (2, 10299128), (4, 5149564), (7, 2942608), (8, 2574782), (14, 1471304), (16, 1287391), (28, 735652), (56, 367826), (112, 183913), (353, 58352), (521, 39536), (706, 29176), (1042, 19768), (1412, 14588), (2084, 9884), (2471, 8336), (2824, 7294), (3647, 5648), (4168, 4942)]