16839080

素因数分解:

$2^3\times 5^1\times {\mathrm{420977}}^1$

素因数の和:420988

約数の個数: 16

約数和(自身を含む): 37888020

約数和(自身を除く): 21048940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 420977, 841954, 1683908, 2104885, 3367816, 4209770, 8419540, 16839080]

約数ペア:

[(1, 16839080), (2, 8419540), (4, 4209770), (5, 3367816), (8, 2104885), (10, 1683908), (20, 841954), (40, 420977)]