16996940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{49991}}^1$

素因数の和:50017

約数の個数: 24

約数和(自身を含む): 37793952

約数和(自身を除く): 20797012

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 49991, 99982, 199964, 249955, 499910, 849847, 999820, 1699694, 3399388, 4249235, 8498470, 16996940]

約数ペア:

[(1, 16996940), (2, 8498470), (4, 4249235), (5, 3399388), (10, 1699694), (17, 999820), (20, 849847), (34, 499910), (68, 249955), (85, 199964), (170, 99982), (340, 49991)]