20744500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{5927}}^1$

素因数の和:5953

約数の個数: 48

約数和(自身を含む): 51787008

約数和(自身を除く): 31042508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 5927, 11854, 23708, 29635, 41489, 59270, 82978, 118540, 148175, 165956, 207445, 296350, 414890, 592700, 740875, 829780, 1037225, 1481750, 2074450, 2963500, 4148900, 5186125, 10372250, 20744500]

約数ペア:

[(1, 20744500), (2, 10372250), (4, 5186125), (5, 4148900), (7, 2963500), (10, 2074450), (14, 1481750), (20, 1037225), (25, 829780), (28, 740875), (35, 592700), (50, 414890), (70, 296350), (100, 207445), (125, 165956), (140, 148175), (175, 118540), (250, 82978), (350, 59270), (500, 41489), (700, 29635), (875, 23708), (1750, 11854), (3500, 5927)]