20908700

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{5651}}^1$

素因数の和:5702

約数の個数: 36

約数和(自身を含む): 46606392

約数和(自身を除く): 25697692

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 740, 925, 1850, 3700, 5651, 11302, 22604, 28255, 56510, 113020, 141275, 209087, 282550, 418174, 565100, 836348, 1045435, 2090870, 4181740, 5227175, 10454350, 20908700]

約数ペア:

[(1, 20908700), (2, 10454350), (4, 5227175), (5, 4181740), (10, 2090870), (20, 1045435), (25, 836348), (37, 565100), (50, 418174), (74, 282550), (100, 209087), (148, 141275), (185, 113020), (370, 56510), (740, 28255), (925, 22604), (1850, 11302), (3700, 5651)]