20426265

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26701}}^1$

素因数の和:26729

約数の個数: 24

約数和(自身を含む): 37489608

約数和(自身を除く): 17063343

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26701, 80103, 133505, 240309, 400515, 453917, 1201545, 1361751, 2269585, 4085253, 6808755, 20426265]

約数ペア:

[(1, 20426265), (3, 6808755), (5, 4085253), (9, 2269585), (15, 1361751), (17, 1201545), (45, 453917), (51, 400515), (85, 240309), (153, 133505), (255, 80103), (765, 26701)]