20187783

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29131}}^1$

素因数の和:29155

約数の個数: 24

約数和(自身を含む): 36356736

約数和(自身を除く): 16168953

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 29131, 87393, 203917, 262179, 320441, 611751, 961323, 1835253, 2243087, 2883969, 6729261, 20187783]

約数ペア:

[(1, 20187783), (3, 6729261), (7, 2883969), (9, 2243087), (11, 1835253), (21, 961323), (33, 611751), (63, 320441), (77, 262179), (99, 203917), (231, 87393), (693, 29131)]