1806020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1237}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 3847704

約数和(自身を除く): 2041684

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1237, 1460, 2474, 4948, 6185, 12370, 24740, 90301, 180602, 361204, 451505, 903010, 1806020]

約数ペア:

[(1, 1806020), (2, 903010), (4, 451505), (5, 361204), (10, 180602), (20, 90301), (73, 24740), (146, 12370), (292, 6185), (365, 4948), (730, 2474), (1237, 1460)]