20158970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155069}}^1$

素因数の和:155089

約数の個数: 16

約数和(自身を含む): 39077640

約数和(自身を除く): 18918670

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 155069, 310138, 775345, 1550690, 2015897, 4031794, 10079485, 20158970]

約数ペア:

[(1, 20158970), (2, 10079485), (5, 4031794), (10, 2015897), (13, 1550690), (26, 775345), (65, 310138), (130, 155069)]