20514105

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3019}}^1$

素因数の和:3181

約数の個数: 24

約数和(自身を含む): 35805120

約数和(自身を除く): 15291015

約数列:

[1, 3, 5, 9, 15, 45, 151, 453, 755, 1359, 2265, 3019, 6795, 9057, 15095, 27171, 45285, 135855, 455869, 1367607, 2279345, 4102821, 6838035, 20514105]

約数ペア:

[(1, 20514105), (3, 6838035), (5, 4102821), (9, 2279345), (15, 1367607), (45, 455869), (151, 135855), (453, 45285), (755, 27171), (1359, 15095), (2265, 9057), (3019, 6795)]