20659250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{4861}}^1$

素因数の和:4895

約数の個数: 32

約数和(自身を含む): 40957488

約数和(自身を除く): 20298238

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 4861, 9722, 24305, 48610, 82637, 121525, 165274, 243050, 413185, 607625, 826370, 1215250, 2065925, 4131850, 10329625, 20659250]

約数ペア:

[(1, 20659250), (2, 10329625), (5, 4131850), (10, 2065925), (17, 1215250), (25, 826370), (34, 607625), (50, 413185), (85, 243050), (125, 165274), (170, 121525), (250, 82637), (425, 48610), (850, 24305), (2125, 9722), (4250, 4861)]