20147690810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4999427}}^1$

素因数の和:4999478

約数の個数: 32

約数和(自身を含む): 40315387392

約数和(自身を除く): 20167696582

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 4999427, 9998854, 24997135, 49994270, 64992551, 129985102, 154982237, 309964474, 324962755, 649925510, 774911185, 1549822370, 2014769081, 4029538162, 10073845405, 20147690810]

約数ペア:

[(1, 20147690810), (2, 10073845405), (5, 4029538162), (10, 2014769081), (13, 1549822370), (26, 774911185), (31, 649925510), (62, 324962755), (65, 309964474), (130, 154982237), (155, 129985102), (310, 64992551), (403, 49994270), (806, 24997135), (2015, 9998854), (4030, 4999427)]