13327420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15497}}^1$

素因数の和:15549

約数の個数: 24

約数和(自身を含む): 28640304

約数和(自身を除く): 15312884

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 15497, 30994, 61988, 77485, 154970, 309940, 666371, 1332742, 2665484, 3331855, 6663710, 13327420]

約数ペア:

[(1, 13327420), (2, 6663710), (4, 3331855), (5, 2665484), (10, 1332742), (20, 666371), (43, 309940), (86, 154970), (172, 77485), (215, 61988), (430, 30994), (860, 15497)]