20097860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43691}}^1$

素因数の和:43723

約数の個数: 24

約数和(自身を含む): 44041536

約数和(自身を除く): 23943676

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 43691, 87382, 174764, 218455, 436910, 873820, 1004893, 2009786, 4019572, 5024465, 10048930, 20097860]

約数ペア:

[(1, 20097860), (2, 10048930), (4, 5024465), (5, 4019572), (10, 2009786), (20, 1004893), (23, 873820), (46, 436910), (92, 218455), (115, 174764), (230, 87382), (460, 43691)]