20185549641

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{71353}}^1$

素因数の和:71462

約数の個数: 36

約数和(自身を含む): 31607110548

約数和(自身を除く): 11421560907

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 1849, 2193, 5547, 6579, 16641, 31433, 71353, 94299, 214059, 282897, 642177, 1213001, 3068179, 3639003, 9204537, 10917009, 27613611, 52159043, 131931697, 156477129, 395795091, 469431387, 1187385273, 2242838849, 6728516547, 20185549641]

約数ペア:

[(1, 20185549641), (3, 6728516547), (9, 2242838849), (17, 1187385273), (43, 469431387), (51, 395795091), (129, 156477129), (153, 131931697), (387, 52159043), (731, 27613611), (1849, 10917009), (2193, 9204537), (5547, 3639003), (6579, 3068179), (16641, 1213001), (31433, 642177), (71353, 282897), (94299, 214059)]