20845970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{48479}}^1$

素因数の和:48529

約数の個数: 16

約数和(自身を含む): 38396160

約数和(自身を除く): 17550190

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 48479, 96958, 242395, 484790, 2084597, 4169194, 10422985, 20845970]

約数ペア:

[(1, 20845970), (2, 10422985), (5, 4169194), (10, 2084597), (43, 484790), (86, 242395), (215, 96958), (430, 48479)]