16487420

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1019}}^1$

素因数の和:1837

約数の個数: 24

約数和(自身を含む): 34700400

約数和(自身を除く): 18212980

約数列:

[1, 2, 4, 5, 10, 20, 809, 1019, 1618, 2038, 3236, 4045, 4076, 5095, 8090, 10190, 16180, 20380, 824371, 1648742, 3297484, 4121855, 8243710, 16487420]

約数ペア:

[(1, 16487420), (2, 8243710), (4, 4121855), (5, 3297484), (10, 1648742), (20, 824371), (809, 20380), (1019, 16180), (1618, 10190), (2038, 8090), (3236, 5095), (4045, 4076)]