20268424

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1657}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 41781600

約数和(自身を除く): 21513176

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 1112, 1529, 1657, 3058, 3314, 6116, 6628, 12232, 13256, 18227, 36454, 72908, 145816, 230323, 460646, 921292, 1842584, 2533553, 5067106, 10134212, 20268424]

約数ペア:

[(1, 20268424), (2, 10134212), (4, 5067106), (8, 2533553), (11, 1842584), (22, 921292), (44, 460646), (88, 230323), (139, 145816), (278, 72908), (556, 36454), (1112, 18227), (1529, 13256), (1657, 12232), (3058, 6628), (3314, 6116)]