20493872

素因数分解:

$2^4\times 7^1\times {\mathrm{182981}}^1$

素因数の和:182996

約数の個数: 20

約数和(自身を含む): 45379536

約数和(自身を除く): 24885664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 182981, 365962, 731924, 1280867, 1463848, 2561734, 2927696, 5123468, 10246936, 20493872]

約数ペア:

[(1, 20493872), (2, 10246936), (4, 5123468), (7, 2927696), (8, 2561734), (14, 1463848), (16, 1280867), (28, 731924), (56, 365962), (112, 182981)]