20595267

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 37559808

約数和(自身を除く): 16964541

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 113, 231, 263, 339, 693, 789, 791, 1017, 1243, 1841, 2367, 2373, 2893, 3729, 5523, 7119, 8679, 8701, 11187, 16569, 20251, 26037, 26103, 29719, 60753, 78309, 89157, 182259, 208033, 267471, 326909, 624099, 980727, 1872297, 2288363, 2942181, 6865089, 20595267]

約数ペア:

[(1, 20595267), (3, 6865089), (7, 2942181), (9, 2288363), (11, 1872297), (21, 980727), (33, 624099), (63, 326909), (77, 267471), (99, 208033), (113, 182259), (231, 89157), (263, 78309), (339, 60753), (693, 29719), (789, 26103), (791, 26037), (1017, 20251), (1243, 16569), (1841, 11187), (2367, 8701), (2373, 8679), (2893, 7119), (3729, 5523)]