16840144

素因数分解:

$2^4\times {\mathrm{809}}^1\times {\mathrm{1301}}^1$

素因数の和:2118

約数の個数: 20

約数和(自身を含む): 32693220

約数和(自身を除く): 15853076

約数列:

[1, 2, 4, 8, 16, 809, 1301, 1618, 2602, 3236, 5204, 6472, 10408, 12944, 20816, 1052509, 2105018, 4210036, 8420072, 16840144]

約数ペア:

[(1, 16840144), (2, 8420072), (4, 4210036), (8, 2105018), (16, 1052509), (809, 20816), (1301, 12944), (1618, 10408), (2602, 6472), (3236, 5204)]