20344090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{156493}}^1$

素因数の和:156513

約数の個数: 16

約数和(自身を含む): 39436488

約数和(自身を除く): 19092398

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 156493, 312986, 782465, 1564930, 2034409, 4068818, 10172045, 20344090]

約数ペア:

[(1, 20344090), (2, 10172045), (5, 4068818), (10, 2034409), (13, 1564930), (26, 782465), (65, 312986), (130, 156493)]