16684540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20347}}^1$

素因数の和:20397

約数の個数: 24

約数和(自身を含む): 35893872

約数和(自身を除く): 19209332

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 20347, 40694, 81388, 101735, 203470, 406940, 834227, 1668454, 3336908, 4171135, 8342270, 16684540]

約数ペア:

[(1, 16684540), (2, 8342270), (4, 4171135), (5, 3336908), (10, 1668454), (20, 834227), (41, 406940), (82, 203470), (164, 101735), (205, 81388), (410, 40694), (820, 20347)]