20544970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47779}}^1$

素因数の和:47829

約数の個数: 16

約数和(自身を含む): 37841760

約数和(自身を除く): 17296790

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 47779, 95558, 238895, 477790, 2054497, 4108994, 10272485, 20544970]

約数ペア:

[(1, 20544970), (2, 10272485), (5, 4108994), (10, 2054497), (43, 477790), (86, 238895), (215, 95558), (430, 47779)]