20286776

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{87443}}^1$

素因数の和:87478

約数の個数: 16

約数和(自身を含む): 39349800

約数和(自身を除く): 19063024

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 87443, 174886, 349772, 699544, 2535847, 5071694, 10143388, 20286776]

約数ペア:

[(1, 20286776), (2, 10143388), (4, 5071694), (8, 2535847), (29, 699544), (58, 349772), (116, 174886), (232, 87443)]