20634324

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{39989}}^1$

素因数の和:40039

約数の個数: 24

約数和(自身を含む): 49267680

約数和(自身を除く): 28633356

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 39989, 79978, 119967, 159956, 239934, 479868, 1719527, 3439054, 5158581, 6878108, 10317162, 20634324]

約数ペア:

[(1, 20634324), (2, 10317162), (3, 6878108), (4, 5158581), (6, 3439054), (12, 1719527), (43, 479868), (86, 239934), (129, 159956), (172, 119967), (258, 79978), (516, 39989)]