20923840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9341}}^1$

素因数の和:9365

約数の個数: 56

約数和(自身を含む): 56948832

約数和(自身を除く): 36024992

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, 9341, 18682, 37364, 46705, 65387, 74728, 93410, 130774, 149456, 186820, 261548, 298912, 326935, 373640, 523096, 597824, 653870, 747280, 1046192, 1307740, 1494560, 2092384, 2615480, 2989120, 4184768, 5230960, 10461920, 20923840]

約数ペア:

[(1, 20923840), (2, 10461920), (4, 5230960), (5, 4184768), (7, 2989120), (8, 2615480), (10, 2092384), (14, 1494560), (16, 1307740), (20, 1046192), (28, 747280), (32, 653870), (35, 597824), (40, 523096), (56, 373640), (64, 326935), (70, 298912), (80, 261548), (112, 186820), (140, 149456), (160, 130774), (224, 93410), (280, 74728), (320, 65387), (448, 46705), (560, 37364), (1120, 18682), (2240, 9341)]