20013165

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26161}}^1$

素因数の和:26189

約数の個数: 24

約数和(自身を含む): 36731448

約数和(自身を除く): 16718283

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26161, 78483, 130805, 235449, 392415, 444737, 1177245, 1334211, 2223685, 4002633, 6671055, 20013165]

約数ペア:

[(1, 20013165), (3, 6671055), (5, 4002633), (9, 2223685), (15, 1334211), (17, 1177245), (45, 444737), (51, 392415), (85, 235449), (153, 130805), (255, 78483), (765, 26161)]