20193485260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{146819}}^1$

素因数の和:146887

約数の個数: 72

約数和(自身を含む): 47740578480

約数和(自身を除く): 27547093220

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 529, 598, 1058, 1196, 1495, 2116, 2645, 2990, 5290, 5980, 6877, 10580, 13754, 27508, 34385, 68770, 137540, 146819, 293638, 587276, 734095, 1468190, 1908647, 2936380, 3376837, 3817294, 6753674, 7634588, 9543235, 13507348, 16884185, 19086470, 33768370, 38172940, 43898881, 67536740, 77667251, 87797762, 155334502, 175595524, 219494405, 310669004, 388336255, 438988810, 776672510, 877977620, 1009674263, 1553345020, 2019348526, 4038697052, 5048371315, 10096742630, 20193485260]

約数ペア:

[(1, 20193485260), (2, 10096742630), (4, 5048371315), (5, 4038697052), (10, 2019348526), (13, 1553345020), (20, 1009674263), (23, 877977620), (26, 776672510), (46, 438988810), (52, 388336255), (65, 310669004), (92, 219494405), (115, 175595524), (130, 155334502), (230, 87797762), (260, 77667251), (299, 67536740), (460, 43898881), (529, 38172940), (598, 33768370), (1058, 19086470), (1196, 16884185), (1495, 13507348), (2116, 9543235), (2645, 7634588), (2990, 6753674), (5290, 3817294), (5980, 3376837), (6877, 2936380), (10580, 1908647), (13754, 1468190), (27508, 734095), (34385, 587276), (68770, 293638), (137540, 146819)]