20774790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12149}}^1$

素因数の和:12181

約数の個数: 48

約数和(自身を含む): 56862000

約数和(自身を除く): 36087210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 12149, 24298, 36447, 60745, 72894, 109341, 121490, 182235, 218682, 230831, 364470, 461662, 546705, 692493, 1093410, 1154155, 1384986, 2077479, 2308310, 3462465, 4154958, 6924930, 10387395, 20774790]

約数ペア:

[(1, 20774790), (2, 10387395), (3, 6924930), (5, 4154958), (6, 3462465), (9, 2308310), (10, 2077479), (15, 1384986), (18, 1154155), (19, 1093410), (30, 692493), (38, 546705), (45, 461662), (57, 364470), (90, 230831), (95, 218682), (114, 182235), (171, 121490), (190, 109341), (285, 72894), (342, 60745), (570, 36447), (855, 24298), (1710, 12149)]