20104421840

素因数分解:

$2^4\times 5^1\times {\mathrm{251305273}}^1$

素因数の和:251305286

約数の個数: 20

約数和(自身を含む): 46742780964

約数和(自身を除く): 26638359124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251305273, 502610546, 1005221092, 1256526365, 2010442184, 2513052730, 4020884368, 5026105460, 10052210920, 20104421840]

約数ペア:

[(1, 20104421840), (2, 10052210920), (4, 5026105460), (5, 4020884368), (8, 2513052730), (10, 2010442184), (16, 1256526365), (20, 1005221092), (40, 502610546), (80, 251305273)]