20212040

素因数分解:

$2^3\times 5^1\times {\mathrm{505301}}^1$

素因数の和:505312

約数の個数: 16

約数和(自身を含む): 45477180

約数和(自身を除く): 25265140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 505301, 1010602, 2021204, 2526505, 4042408, 5053010, 10106020, 20212040]

約数ペア:

[(1, 20212040), (2, 10106020), (4, 5053010), (5, 4042408), (8, 2526505), (10, 2021204), (20, 1010602), (40, 505301)]