20166021790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49185419}}^1$

素因数の和:49185467

約数の個数: 16

約数和(自身を含む): 37184177520

約数和(自身を除く): 17018155730

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 49185419, 98370838, 245927095, 491854190, 2016602179, 4033204358, 10083010895, 20166021790]

約数ペア:

[(1, 20166021790), (2, 10083010895), (5, 4033204358), (10, 2016602179), (41, 491854190), (82, 245927095), (205, 98370838), (410, 49185419)]