20626185

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1721}}^1$

素因数の和:1793

約数の個数: 32

約数和(自身を含む): 35707392

約数和(自身を除く): 15081207

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 1721, 2397, 3995, 5163, 8605, 11985, 25815, 29257, 80887, 87771, 146285, 242661, 404435, 438855, 1213305, 1375079, 4125237, 6875395, 20626185]

約数ペア:

[(1, 20626185), (3, 6875395), (5, 4125237), (15, 1375079), (17, 1213305), (47, 438855), (51, 404435), (85, 242661), (141, 146285), (235, 87771), (255, 80887), (705, 29257), (799, 25815), (1721, 11985), (2397, 8605), (3995, 5163)]