20149820

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7933}}^1$

素因数の和:8069

約数の個数: 24

約数和(自身を含む): 42653184

約数和(自身を除く): 22503364

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7933, 15866, 31732, 39665, 79330, 158660, 1007491, 2014982, 4029964, 5037455, 10074910, 20149820]

約数ペア:

[(1, 20149820), (2, 10074910), (4, 5037455), (5, 4029964), (10, 2014982), (20, 1007491), (127, 158660), (254, 79330), (508, 39665), (635, 31732), (1270, 15866), (2540, 7933)]