201641620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{234467}}^1$

素因数の和:234519

約数の個数: 24

約数和(自身を含む): 433296864

約数和(自身を除く): 231655244

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 234467, 468934, 937868, 1172335, 2344670, 4689340, 10082081, 20164162, 40328324, 50410405, 100820810, 201641620]

約数ペア:

[(1, 201641620), (2, 100820810), (4, 50410405), (5, 40328324), (10, 20164162), (20, 10082081), (43, 4689340), (86, 2344670), (172, 1172335), (215, 937868), (430, 468934), (860, 234467)]