20255445

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{64303}}^1$

素因数の和:64321

約数の個数: 24

約数和(自身を含む): 40125696

約数和(自身を除く): 19870251

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 64303, 192909, 321515, 450121, 578727, 964545, 1350363, 2250605, 2893635, 4051089, 6751815, 20255445]

約数ペア:

[(1, 20255445), (3, 6751815), (5, 4051089), (7, 2893635), (9, 2250605), (15, 1350363), (21, 964545), (35, 578727), (45, 450121), (63, 321515), (105, 192909), (315, 64303)]