2186642020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2542607}}^1$

素因数の和:2542659

約数の個数: 24

約数和(自身を含む): 4698739584

約数和(自身を除く): 2512097564

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2542607, 5085214, 10170428, 12713035, 25426070, 50852140, 109332101, 218664202, 437328404, 546660505, 1093321010, 2186642020]

約数ペア:

[(1, 2186642020), (2, 1093321010), (4, 546660505), (5, 437328404), (10, 218664202), (20, 109332101), (43, 50852140), (86, 25426070), (172, 12713035), (215, 10170428), (430, 5085214), (860, 2542607)]