20128370

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{54401}}^1$

素因数の和:54445

約数の個数: 16

約数和(自身を含む): 37210968

約数和(自身を除く): 17082598

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 54401, 108802, 272005, 544010, 2012837, 4025674, 10064185, 20128370]

約数ペア:

[(1, 20128370), (2, 10064185), (5, 4025674), (10, 2012837), (37, 544010), (74, 272005), (185, 108802), (370, 54401)]