20167140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48017}}^1$

素因数の和:48036

約数の個数: 48

約数和(自身を含む): 64536192

約数和(自身を除く): 44369052

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, 48017, 96034, 144051, 192068, 240085, 288102, 336119, 480170, 576204, 672238, 720255, 960340, 1008357, 1344476, 1440510, 1680595, 2016714, 2881020, 3361190, 4033428, 5041785, 6722380, 10083570, 20167140]

約数ペア:

[(1, 20167140), (2, 10083570), (3, 6722380), (4, 5041785), (5, 4033428), (6, 3361190), (7, 2881020), (10, 2016714), (12, 1680595), (14, 1440510), (15, 1344476), (20, 1008357), (21, 960340), (28, 720255), (30, 672238), (35, 576204), (42, 480170), (60, 336119), (70, 288102), (84, 240085), (105, 192068), (140, 144051), (210, 96034), (420, 48017)]