20388357

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5023}}^1$

素因数の和:5081

約数の個数: 24

約数和(自身を含む): 32917248

約数和(自身を除く): 12528891

約数列:

[1, 3, 9, 11, 33, 41, 99, 123, 369, 451, 1353, 4059, 5023, 15069, 45207, 55253, 165759, 205943, 497277, 617829, 1853487, 2265373, 6796119, 20388357]

約数ペア:

[(1, 20388357), (3, 6796119), (9, 2265373), (11, 1853487), (33, 617829), (41, 497277), (99, 205943), (123, 165759), (369, 55253), (451, 45207), (1353, 15069), (4059, 5023)]