904382020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1051607}}^1$

素因数の和:1051659

約数の個数: 24

約数和(自身を含む): 1943371584

約数和(自身を除く): 1038989564

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1051607, 2103214, 4206428, 5258035, 10516070, 21032140, 45219101, 90438202, 180876404, 226095505, 452191010, 904382020]

約数ペア:

[(1, 904382020), (2, 452191010), (4, 226095505), (5, 180876404), (10, 90438202), (20, 45219101), (43, 21032140), (86, 10516070), (172, 5258035), (215, 4206428), (430, 2103214), (860, 1051607)]