16504420

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3911}}^1$

素因数の和:4131

約数の個数: 24

約数和(自身を含む): 34832448

約数和(自身を除く): 18328028

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 3911, 4220, 7822, 15644, 19555, 39110, 78220, 825221, 1650442, 3300884, 4126105, 8252210, 16504420]

約数ペア:

[(1, 16504420), (2, 8252210), (4, 4126105), (5, 3300884), (10, 1650442), (20, 825221), (211, 78220), (422, 39110), (844, 19555), (1055, 15644), (2110, 7822), (3911, 4220)]