2020308885

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{712631}}^1$

素因数の和:712655

約数の個数: 40

約数和(自身を含む): 4138966656

約数和(自身を除く): 2118657771

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 712631, 2137893, 3563155, 4988417, 6413679, 10689465, 14965251, 19241037, 24942085, 32068395, 44895753, 57723111, 74826255, 96205185, 134687259, 224478765, 288615555, 404061777, 673436295, 2020308885]

約数ペア:

[(1, 2020308885), (3, 673436295), (5, 404061777), (7, 288615555), (9, 224478765), (15, 134687259), (21, 96205185), (27, 74826255), (35, 57723111), (45, 44895753), (63, 32068395), (81, 24942085), (105, 19241037), (135, 14965251), (189, 10689465), (315, 6413679), (405, 4988417), (567, 3563155), (945, 2137893), (2835, 712631)]