20158370

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65027}}^1$

素因数の和:65065

約数の個数: 16

約数和(自身を含む): 37456128

約数和(自身を除く): 17297758

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 65027, 130054, 325135, 650270, 2015837, 4031674, 10079185, 20158370]

約数ペア:

[(1, 20158370), (2, 10079185), (5, 4031674), (10, 2015837), (31, 650270), (62, 325135), (155, 130054), (310, 65027)]