20219600

素因数分解:

$2^4\times 5^2\times {\mathrm{50549}}^1$

素因数の和:50567

約数の個数: 30

約数和(自身を含む): 48578550

約数和(自身を除く): 28358950

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50549, 101098, 202196, 252745, 404392, 505490, 808784, 1010980, 1263725, 2021960, 2527450, 4043920, 5054900, 10109800, 20219600]

約数ペア:

[(1, 20219600), (2, 10109800), (4, 5054900), (5, 4043920), (8, 2527450), (10, 2021960), (16, 1263725), (20, 1010980), (25, 808784), (40, 505490), (50, 404392), (80, 252745), (100, 202196), (200, 101098), (400, 50549)]