20616720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85903}}^1$

素因数の和:85919

約数の個数: 40

約数和(自身を含む): 63912576

約数和(自身を除く): 43295856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85903, 171806, 257709, 343612, 429515, 515418, 687224, 859030, 1030836, 1288545, 1374448, 1718060, 2061672, 2577090, 3436120, 4123344, 5154180, 6872240, 10308360, 20616720]

約数ペア:

[(1, 20616720), (2, 10308360), (3, 6872240), (4, 5154180), (5, 4123344), (6, 3436120), (8, 2577090), (10, 2061672), (12, 1718060), (15, 1374448), (16, 1288545), (20, 1030836), (24, 859030), (30, 687224), (40, 515418), (48, 429515), (60, 343612), (80, 257709), (120, 171806), (240, 85903)]