20874560

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9319}}^1$

素因数の和:9343

約数の個数: 56

約数和(自身を含む): 56814720

約数和(自身を除く): 35940160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9319, 18638, 37276, 46595, 65233, 74552, 93190, 130466, 149104, 186380, 260932, 298208, 326165, 372760, 521864, 596416, 652330, 745520, 1043728, 1304660, 1491040, 2087456, 2609320, 2982080, 4174912, 5218640, 10437280, 20874560]

約数ペア:

[(1, 20874560), (2, 10437280), (4, 5218640), (5, 4174912), (7, 2982080), (8, 2609320), (10, 2087456), (14, 1491040), (16, 1304660), (20, 1043728), (28, 745520), (32, 652330), (35, 596416), (40, 521864), (56, 372760), (64, 326165), (70, 298208), (80, 260932), (112, 186380), (140, 149104), (160, 130466), (224, 93190), (280, 74552), (320, 65233), (448, 46595), (560, 37276), (1120, 18638), (2240, 9319)]