16854420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{25537}}^1$

素因数の和:25560

約数の個数: 48

約数和(自身を含む): 51484608

約数和(自身を除く): 34630188

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 25537, 51074, 76611, 102148, 127685, 153222, 255370, 280907, 306444, 383055, 510740, 561814, 766110, 842721, 1123628, 1404535, 1532220, 1685442, 2809070, 3370884, 4213605, 5618140, 8427210, 16854420]

約数ペア:

[(1, 16854420), (2, 8427210), (3, 5618140), (4, 4213605), (5, 3370884), (6, 2809070), (10, 1685442), (11, 1532220), (12, 1404535), (15, 1123628), (20, 842721), (22, 766110), (30, 561814), (33, 510740), (44, 383055), (55, 306444), (60, 280907), (66, 255370), (110, 153222), (132, 127685), (165, 102148), (220, 76611), (330, 51074), (660, 25537)]