20906900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29867}}^1$

素因数の和:29888

約数の個数: 36

約数和(自身を含む): 51850848

約数和(自身を除く): 30943948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 29867, 59734, 119468, 149335, 209069, 298670, 418138, 597340, 746675, 836276, 1045345, 1493350, 2090690, 2986700, 4181380, 5226725, 10453450, 20906900]

約数ペア:

[(1, 20906900), (2, 10453450), (4, 5226725), (5, 4181380), (7, 2986700), (10, 2090690), (14, 1493350), (20, 1045345), (25, 836276), (28, 746675), (35, 597340), (50, 418138), (70, 298670), (100, 209069), (140, 149335), (175, 119468), (350, 59734), (700, 29867)]