20490042

素因数分解:

$2^1\times 3^1\times {\mathrm{971}}^1\times {\mathrm{3517}}^1$

素因数の和:4493

約数の個数: 16

約数和(自身を含む): 41033952

約数和(自身を除く): 20543910

約数列:

[1, 2, 3, 6, 971, 1942, 2913, 3517, 5826, 7034, 10551, 21102, 3415007, 6830014, 10245021, 20490042]

約数ペア:

[(1, 20490042), (2, 10245021), (3, 6830014), (6, 3415007), (971, 21102), (1942, 10551), (2913, 7034), (3517, 5826)]