20509638

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 42020736

約数和(自身を除く): 21511098

約数列:

[1, 2, 3, 6, 67, 134, 163, 201, 313, 326, 402, 489, 626, 939, 978, 1878, 10921, 20971, 21842, 32763, 41942, 51019, 62913, 65526, 102038, 125826, 153057, 306114, 3418273, 6836546, 10254819, 20509638]

約数ペア:

[(1, 20509638), (2, 10254819), (3, 6836546), (6, 3418273), (67, 306114), (134, 153057), (163, 125826), (201, 102038), (313, 65526), (326, 62913), (402, 51019), (489, 41942), (626, 32763), (939, 21842), (978, 20971), (1878, 10921)]