20199763160

素因数分解:

$2^3\times 5^1\times {\mathrm{504994079}}^1$

素因数の和:504994090

約数の個数: 16

約数和(自身を含む): 45449467200

約数和(自身を除く): 25249704040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504994079, 1009988158, 2019976316, 2524970395, 4039952632, 5049940790, 10099881580, 20199763160]

約数ペア:

[(1, 20199763160), (2, 10099881580), (4, 5049940790), (5, 4039952632), (8, 2524970395), (10, 2019976316), (20, 1009988158), (40, 504994079)]