20990048

素因数分解:

$2^5\times {\mathrm{521}}^1\times {\mathrm{1259}}^1$

素因数の和:1790

約数の個数: 24

約数和(自身を含む): 41436360

約数和(自身を除く): 20446312

約数列:

[1, 2, 4, 8, 16, 32, 521, 1042, 1259, 2084, 2518, 4168, 5036, 8336, 10072, 16672, 20144, 40288, 655939, 1311878, 2623756, 5247512, 10495024, 20990048]

約数ペア:

[(1, 20990048), (2, 10495024), (4, 5247512), (8, 2623756), (16, 1311878), (32, 655939), (521, 40288), (1042, 20144), (1259, 16672), (2084, 10072), (2518, 8336), (4168, 5036)]