20213850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{7927}}^1$

素因数の和:7959

約数の個数: 48

約数和(自身を含む): 53085888

約数和(自身を除く): 32872038

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 150, 170, 255, 425, 510, 850, 1275, 2550, 7927, 15854, 23781, 39635, 47562, 79270, 118905, 134759, 198175, 237810, 269518, 396350, 404277, 594525, 673795, 808554, 1189050, 1347590, 2021385, 3368975, 4042770, 6737950, 10106925, 20213850]

約数ペア:

[(1, 20213850), (2, 10106925), (3, 6737950), (5, 4042770), (6, 3368975), (10, 2021385), (15, 1347590), (17, 1189050), (25, 808554), (30, 673795), (34, 594525), (50, 404277), (51, 396350), (75, 269518), (85, 237810), (102, 198175), (150, 134759), (170, 118905), (255, 79270), (425, 47562), (510, 39635), (850, 23781), (1275, 15854), (2550, 7927)]