20260485

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{64319}}^1$

素因数の和:64337

約数の個数: 24

約数和(自身を含む): 40135680

約数和(自身を除く): 19875195

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 64319, 192957, 321595, 450233, 578871, 964785, 1350699, 2251165, 2894355, 4052097, 6753495, 20260485]

約数ペア:

[(1, 20260485), (3, 6753495), (5, 4052097), (7, 2894355), (9, 2251165), (15, 1350699), (21, 964785), (35, 578871), (45, 450233), (63, 321595), (105, 192957), (315, 64319)]