20524995

素因数分解:

$3^7\times 5^1\times {\mathrm{1877}}^1$

素因数の和:1903

約数の個数: 32

約数和(自身を含む): 36959040

約数和(自身を除く): 16434045

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 1877, 2187, 3645, 5631, 9385, 10935, 16893, 28155, 50679, 84465, 152037, 253395, 456111, 760185, 1368333, 2280555, 4104999, 6841665, 20524995]

約数ペア:

[(1, 20524995), (3, 6841665), (5, 4104999), (9, 2280555), (15, 1368333), (27, 760185), (45, 456111), (81, 253395), (135, 152037), (243, 84465), (405, 50679), (729, 28155), (1215, 16893), (1877, 10935), (2187, 9385), (3645, 5631)]