20461940

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1669}}^1$

素因数の和:2291

約数の個数: 24

約数和(自身を含む): 43065960

約数和(自身を除く): 22604020

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 1669, 2452, 3065, 3338, 6130, 6676, 8345, 12260, 16690, 33380, 1023097, 2046194, 4092388, 5115485, 10230970, 20461940]

約数ペア:

[(1, 20461940), (2, 10230970), (4, 5115485), (5, 4092388), (10, 2046194), (20, 1023097), (613, 33380), (1226, 16690), (1669, 12260), (2452, 8345), (3065, 6676), (3338, 6130)]