20097080

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{883}}^1$

素因数の和:1463

約数の個数: 32

約数和(自身を含む): 45349200

約数和(自身を除く): 25252120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 883, 1138, 1766, 2276, 2845, 3532, 4415, 4552, 5690, 7064, 8830, 11380, 17660, 22760, 35320, 502427, 1004854, 2009708, 2512135, 4019416, 5024270, 10048540, 20097080]

約数ペア:

[(1, 20097080), (2, 10048540), (4, 5024270), (5, 4019416), (8, 2512135), (10, 2009708), (20, 1004854), (40, 502427), (569, 35320), (883, 22760), (1138, 17660), (1766, 11380), (2276, 8830), (2845, 7064), (3532, 5690), (4415, 4552)]