20208195

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{64153}}^1$

素因数の和:64171

約数の個数: 24

約数和(自身を含む): 40032096

約数和(自身を除く): 19823901

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 64153, 192459, 320765, 449071, 577377, 962295, 1347213, 2245355, 2886885, 4041639, 6736065, 20208195]

約数ペア:

[(1, 20208195), (3, 6736065), (5, 4041639), (7, 2886885), (9, 2245355), (15, 1347213), (21, 962295), (35, 577377), (45, 449071), (63, 320765), (105, 192459), (315, 64153)]