20720324

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{673}}^1$

素因数の和:899

約数の個数: 24

約数和(自身を含む): 37366560

約数和(自身を除く): 16646236

約数列:

[1, 2, 4, 43, 86, 172, 179, 358, 673, 716, 1346, 2692, 7697, 15394, 28939, 30788, 57878, 115756, 120467, 240934, 481868, 5180081, 10360162, 20720324]

約数ペア:

[(1, 20720324), (2, 10360162), (4, 5180081), (43, 481868), (86, 240934), (172, 120467), (179, 115756), (358, 57878), (673, 30788), (716, 28939), (1346, 15394), (2692, 7697)]