201982180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{234863}}^1$

素因数の和:234915

約数の個数: 24

約数和(自身を含む): 434028672

約数和(自身を除く): 232046492

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 234863, 469726, 939452, 1174315, 2348630, 4697260, 10099109, 20198218, 40396436, 50495545, 100991090, 201982180]

約数ペア:

[(1, 201982180), (2, 100991090), (4, 50495545), (5, 40396436), (10, 20198218), (20, 10099109), (43, 4697260), (86, 2348630), (172, 1174315), (215, 939452), (430, 469726), (860, 234863)]