20264720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36187}}^1$

素因数の和:36207

約数の個数: 40

約数和(自身を含む): 53847744

約数和(自身を除く): 33583024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36187, 72374, 144748, 180935, 253309, 289496, 361870, 506618, 578992, 723740, 1013236, 1266545, 1447480, 2026472, 2533090, 2894960, 4052944, 5066180, 10132360, 20264720]

約数ペア:

[(1, 20264720), (2, 10132360), (4, 5066180), (5, 4052944), (7, 2894960), (8, 2533090), (10, 2026472), (14, 1447480), (16, 1266545), (20, 1013236), (28, 723740), (35, 578992), (40, 506618), (56, 361870), (70, 289496), (80, 253309), (112, 180935), (140, 144748), (280, 72374), (560, 36187)]