20180835780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48049609}}^1$

素因数の和:48049628

約数の個数: 48

約数和(自身を含む): 64578675840

約数和(自身を除く): 44397840060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48049609, 96099218, 144148827, 192198436, 240248045, 288297654, 336347263, 480496090, 576595308, 672694526, 720744135, 960992180, 1009041789, 1345389052, 1441488270, 1681736315, 2018083578, 2882976540, 3363472630, 4036167156, 5045208945, 6726945260, 10090417890, 20180835780]

約数ペア:

[(1, 20180835780), (2, 10090417890), (3, 6726945260), (4, 5045208945), (5, 4036167156), (6, 3363472630), (7, 2882976540), (10, 2018083578), (12, 1681736315), (14, 1441488270), (15, 1345389052), (20, 1009041789), (21, 960992180), (28, 720744135), (30, 672694526), (35, 576595308), (42, 480496090), (60, 336347263), (70, 288297654), (84, 240248045), (105, 192198436), (140, 144148827), (210, 96099218), (420, 48049609)]