20242640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23003}}^1$

素因数の和:23027

約数の個数: 40

約数和(自身を含む): 51344928

約数和(自身を除く): 31102288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 23003, 46006, 92012, 115015, 184024, 230030, 253033, 368048, 460060, 506066, 920120, 1012132, 1265165, 1840240, 2024264, 2530330, 4048528, 5060660, 10121320, 20242640]

約数ペア:

[(1, 20242640), (2, 10121320), (4, 5060660), (5, 4048528), (8, 2530330), (10, 2024264), (11, 1840240), (16, 1265165), (20, 1012132), (22, 920120), (40, 506066), (44, 460060), (55, 368048), (80, 253033), (88, 230030), (110, 184024), (176, 115015), (220, 92012), (440, 46006), (880, 23003)]