20206665

素因数分解:

$3^5\times 5^1\times {\mathrm{16631}}^1$

素因数の和:16651

約数の個数: 24

約数和(自身を含む): 36324288

約数和(自身を除く): 16117623

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 16631, 49893, 83155, 149679, 249465, 449037, 748395, 1347111, 2245185, 4041333, 6735555, 20206665]

約数ペア:

[(1, 20206665), (3, 6735555), (5, 4041333), (9, 2245185), (15, 1347111), (27, 748395), (45, 449037), (81, 249465), (135, 149679), (243, 83155), (405, 49893), (1215, 16631)]