20154180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19759}}^1$

素因数の和:19788

約数の個数: 48

約数和(自身を含む): 59754240

約数和(自身を除く): 39600060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 19759, 39518, 59277, 79036, 98795, 118554, 197590, 237108, 296385, 335903, 395180, 592770, 671806, 1007709, 1185540, 1343612, 1679515, 2015418, 3359030, 4030836, 5038545, 6718060, 10077090, 20154180]

約数ペア:

[(1, 20154180), (2, 10077090), (3, 6718060), (4, 5038545), (5, 4030836), (6, 3359030), (10, 2015418), (12, 1679515), (15, 1343612), (17, 1185540), (20, 1007709), (30, 671806), (34, 592770), (51, 395180), (60, 335903), (68, 296385), (85, 237108), (102, 197590), (170, 118554), (204, 98795), (255, 79036), (340, 59277), (510, 39518), (1020, 19759)]