20219200

素因数分解:

$2^6\times 5^2\times {\mathrm{12637}}^1$

素因数の和:12659

約数の個数: 42

約数和(自身を含む): 49755806

約数和(自身を除く): 29536606

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 12637, 25274, 50548, 63185, 101096, 126370, 202192, 252740, 315925, 404384, 505480, 631850, 808768, 1010960, 1263700, 2021920, 2527400, 4043840, 5054800, 10109600, 20219200]

約数ペア:

[(1, 20219200), (2, 10109600), (4, 5054800), (5, 4043840), (8, 2527400), (10, 2021920), (16, 1263700), (20, 1010960), (25, 808768), (32, 631850), (40, 505480), (50, 404384), (64, 315925), (80, 252740), (100, 202192), (160, 126370), (200, 101096), (320, 63185), (400, 50548), (800, 25274), (1600, 12637)]