20153360

素因数分解:

$2^4\times 5^1\times {\mathrm{251917}}^1$

素因数の和:251930

約数の個数: 20

約数和(自身を含む): 46856748

約数和(自身を除く): 26703388

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251917, 503834, 1007668, 1259585, 2015336, 2519170, 4030672, 5038340, 10076680, 20153360]

約数ペア:

[(1, 20153360), (2, 10076680), (4, 5038340), (5, 4030672), (8, 2519170), (10, 2015336), (16, 1259585), (20, 1007668), (40, 503834), (80, 251917)]