20765349

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{503}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 13103451

約数列:

[1, 3, 9, 11, 27, 33, 99, 139, 297, 417, 503, 1251, 1509, 1529, 3753, 4527, 4587, 5533, 13581, 13761, 16599, 41283, 49797, 69917, 149391, 209751, 629253, 769087, 1887759, 2307261, 6921783, 20765349]

約数ペア:

[(1, 20765349), (3, 6921783), (9, 2307261), (11, 1887759), (27, 769087), (33, 629253), (99, 209751), (139, 149391), (297, 69917), (417, 49797), (503, 41283), (1251, 16599), (1509, 13761), (1529, 13581), (3753, 5533), (4527, 4587)]