20306080

素因数分解:

$2^5\times 5^1\times {\mathrm{126913}}^1$

素因数の和:126928

約数の個数: 24

約数和(自身を含む): 47973492

約数和(自身を除く): 27667412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 126913, 253826, 507652, 634565, 1015304, 1269130, 2030608, 2538260, 4061216, 5076520, 10153040, 20306080]

約数ペア:

[(1, 20306080), (2, 10153040), (4, 5076520), (5, 4061216), (8, 2538260), (10, 2030608), (16, 1269130), (20, 1015304), (32, 634565), (40, 507652), (80, 253826), (160, 126913)]