20392449

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2053}}^1$

素因数の和:2117

約数の個数: 32

約数和(自身を含む): 34704384

約数和(自身を除く): 14311935

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 301, 473, 903, 1419, 2053, 3311, 6159, 9933, 14371, 22583, 43113, 67749, 88279, 158081, 264837, 474243, 617953, 971069, 1853859, 2913207, 6797483, 20392449]

約数ペア:

[(1, 20392449), (3, 6797483), (7, 2913207), (11, 1853859), (21, 971069), (33, 617953), (43, 474243), (77, 264837), (129, 158081), (231, 88279), (301, 67749), (473, 43113), (903, 22583), (1419, 14371), (2053, 9933), (3311, 6159)]