20855020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{45337}}^1$

素因数の和:45369

約数の個数: 24

約数和(自身を含む): 45700704

約数和(自身を除く): 24845684

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 45337, 90674, 181348, 226685, 453370, 906740, 1042751, 2085502, 4171004, 5213755, 10427510, 20855020]

約数ペア:

[(1, 20855020), (2, 10427510), (4, 5213755), (5, 4171004), (10, 2085502), (20, 1042751), (23, 906740), (46, 453370), (92, 226685), (115, 181348), (230, 90674), (460, 45337)]