20284984

素因数分解:

$2^3\times {\mathrm{71}}^2\times {\mathrm{503}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 38654280

約数和(自身を除く): 18369296

約数列:

[1, 2, 4, 8, 71, 142, 284, 503, 568, 1006, 2012, 4024, 5041, 10082, 20164, 35713, 40328, 71426, 142852, 285704, 2535623, 5071246, 10142492, 20284984]

約数ペア:

[(1, 20284984), (2, 10142492), (4, 5071246), (8, 2535623), (71, 285704), (142, 142852), (284, 71426), (503, 40328), (568, 35713), (1006, 20164), (2012, 10082), (4024, 5041)]