20678406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2551}}^1$

素因数の和:2756

約数の個数: 32

約数和(自身を含む): 47528448

約数和(自身を除く): 26850042

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 193, 386, 579, 1158, 1351, 2551, 2702, 4053, 5102, 7653, 8106, 15306, 17857, 35714, 53571, 107142, 492343, 984686, 1477029, 2954058, 3446401, 6892802, 10339203, 20678406]

約数ペア:

[(1, 20678406), (2, 10339203), (3, 6892802), (6, 3446401), (7, 2954058), (14, 1477029), (21, 984686), (42, 492343), (193, 107142), (386, 53571), (579, 35714), (1158, 17857), (1351, 15306), (2551, 8106), (2702, 7653), (4053, 5102)]