20808104

素因数分解:

$2^3\times {\mathrm{503}}^1\times {\mathrm{5171}}^1$

素因数の和:5680

約数の個数: 16

約数和(自身を含む): 39100320

約数和(自身を除く): 18292216

約数列:

[1, 2, 4, 8, 503, 1006, 2012, 4024, 5171, 10342, 20684, 41368, 2601013, 5202026, 10404052, 20808104]

約数ペア:

[(1, 20808104), (2, 10404052), (4, 5202026), (8, 2601013), (503, 41368), (1006, 20684), (2012, 10342), (4024, 5171)]