20135871273

素因数分解:

$3^1\times 7^1\times {\mathrm{2207}}^1\times {\mathrm{434459}}^1$

素因数の和:436676

約数の個数: 16

約数和(自身を含む): 30697205760

約数和(自身を除く): 10561334487

約数列:

[1, 3, 7, 21, 2207, 6621, 15449, 46347, 434459, 1303377, 3041213, 9123639, 958851013, 2876553039, 6711957091, 20135871273]

約数ペア:

[(1, 20135871273), (3, 6711957091), (7, 2876553039), (21, 958851013), (2207, 9123639), (6621, 3041213), (15449, 1303377), (46347, 434459)]