11980660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13931}}^1$

素因数の和:13983

約数の個数: 24

約数和(自身を含む): 25746336

約数和(自身を除く): 13765676

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 13931, 27862, 55724, 69655, 139310, 278620, 599033, 1198066, 2396132, 2995165, 5990330, 11980660]

約数ペア:

[(1, 11980660), (2, 5990330), (4, 2995165), (5, 2396132), (10, 1198066), (20, 599033), (43, 278620), (86, 139310), (172, 69655), (215, 55724), (430, 27862), (860, 13931)]