20207565

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{64151}}^1$

素因数の和:64169

約数の個数: 24

約数和(自身を含む): 40030848

約数和(自身を除く): 19823283

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 64151, 192453, 320755, 449057, 577359, 962265, 1347171, 2245285, 2886795, 4041513, 6735855, 20207565]

約数ペア:

[(1, 20207565), (3, 6735855), (5, 4041513), (7, 2886795), (9, 2245285), (15, 1347171), (21, 962265), (35, 577359), (45, 449057), (63, 320755), (105, 192453), (315, 64151)]