20201244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{240491}}^1$

素因数の和:240505

約数の個数: 24

約数和(自身を含む): 53870208

約数和(自身を除く): 33668964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 240491, 480982, 721473, 961964, 1442946, 1683437, 2885892, 3366874, 5050311, 6733748, 10100622, 20201244]

約数ペア:

[(1, 20201244), (2, 10100622), (3, 6733748), (4, 5050311), (6, 3366874), (7, 2885892), (12, 1683437), (14, 1442946), (21, 961964), (28, 721473), (42, 480982), (84, 240491)]