20216170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155509}}^1$

素因数の和:155529

約数の個数: 16

約数和(自身を含む): 39188520

約数和(自身を除く): 18972350

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 155509, 311018, 777545, 1555090, 2021617, 4043234, 10108085, 20216170]

約数ペア:

[(1, 20216170), (2, 10108085), (5, 4043234), (10, 2021617), (13, 1555090), (26, 777545), (65, 311018), (130, 155509)]