2020122860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{33479}}^1$

素因数の和:33926

約数の個数: 48

約数和(自身を含む): 4859688960

約数和(自身を除く): 2839566100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 431, 862, 1724, 2155, 3017, 4310, 6034, 8620, 12068, 15085, 30170, 33479, 60340, 66958, 133916, 167395, 234353, 334790, 468706, 669580, 937412, 1171765, 2343530, 4687060, 14429449, 28858898, 57717796, 72147245, 101006143, 144294490, 202012286, 288588980, 404024572, 505030715, 1010061430, 2020122860]

約数ペア:

[(1, 2020122860), (2, 1010061430), (4, 505030715), (5, 404024572), (7, 288588980), (10, 202012286), (14, 144294490), (20, 101006143), (28, 72147245), (35, 57717796), (70, 28858898), (140, 14429449), (431, 4687060), (862, 2343530), (1724, 1171765), (2155, 937412), (3017, 669580), (4310, 468706), (6034, 334790), (8620, 234353), (12068, 167395), (15085, 133916), (30170, 66958), (33479, 60340)]