20575185

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80687}}^1$

素因数の和:80712

約数の個数: 16

約数和(自身を含む): 34857216

約数和(自身を除く): 14282031

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 80687, 242061, 403435, 1210305, 1371679, 4115037, 6858395, 20575185]

約数ペア:

[(1, 20575185), (3, 6858395), (5, 4115037), (15, 1371679), (17, 1210305), (51, 403435), (85, 242061), (255, 80687)]