22747660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87491}}^1$

素因数の和:87513

約数の個数: 24

約数和(自身を含む): 51445296

約数和(自身を除く): 28697636

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 87491, 174982, 349964, 437455, 874910, 1137383, 1749820, 2274766, 4549532, 5686915, 11373830, 22747660]

約数ペア:

[(1, 22747660), (2, 11373830), (4, 5686915), (5, 4549532), (10, 2274766), (13, 1749820), (20, 1137383), (26, 874910), (52, 437455), (65, 349964), (130, 174982), (260, 87491)]