20607105

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{743}}^1$

素因数の和:837

約数の個数: 24

約数和(自身を含む): 33801408

約数和(自身を除く): 13194303

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 743, 1849, 2229, 3715, 5547, 9245, 11145, 27735, 31949, 95847, 159745, 479235, 1373807, 4121421, 6869035, 20607105]

約数ペア:

[(1, 20607105), (3, 6869035), (5, 4121421), (15, 1373807), (43, 479235), (129, 159745), (215, 95847), (645, 31949), (743, 27735), (1849, 11145), (2229, 9245), (3715, 5547)]