20574165

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80683}}^1$

素因数の和:80708

約数の個数: 16

約数和(自身を含む): 34855488

約数和(自身を除く): 14281323

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 80683, 242049, 403415, 1210245, 1371611, 4114833, 6858055, 20574165]

約数ペア:

[(1, 20574165), (3, 6858055), (5, 4114833), (15, 1371611), (17, 1210245), (51, 403415), (85, 242049), (255, 80683)]