20454441

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{9103}}^1$

素因数の和:9220

約数の個数: 16

約数和(自身を含む): 31463424

約数和(自身を除く): 11008983

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 9103, 27309, 63721, 191163, 974021, 2922063, 6818147, 20454441]

約数ペア:

[(1, 20454441), (3, 6818147), (7, 2922063), (21, 974021), (107, 191163), (321, 63721), (749, 27309), (2247, 9103)]