20798416

素因数分解:

$2^4\times {\mathrm{739}}^1\times {\mathrm{1759}}^1$

素因数の和:2506

約数の個数: 20

約数和(自身を含む): 40374400

約数和(自身を除く): 19575984

約数列:

[1, 2, 4, 8, 16, 739, 1478, 1759, 2956, 3518, 5912, 7036, 11824, 14072, 28144, 1299901, 2599802, 5199604, 10399208, 20798416]

約数ペア:

[(1, 20798416), (2, 10399208), (4, 5199604), (8, 2599802), (16, 1299901), (739, 28144), (1478, 14072), (1759, 11824), (2956, 7036), (3518, 5912)]