20194986460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{68351}}^1$

素因数の和:68467

約数の個数: 96

約数和(自身を含む): 49607147520

約数和(自身を除く): 29412161060

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 79, 85, 110, 158, 170, 187, 220, 316, 340, 374, 395, 748, 790, 869, 935, 1343, 1580, 1738, 1870, 2686, 3476, 3740, 4345, 5372, 6715, 8690, 13430, 14773, 17380, 26860, 29546, 59092, 68351, 73865, 136702, 147730, 273404, 295460, 341755, 683510, 751861, 1161967, 1367020, 1503722, 2323934, 3007444, 3759305, 4647868, 5399729, 5809835, 7518610, 10799458, 11619670, 12781637, 15037220, 21598916, 23239340, 25563274, 26998645, 51126548, 53997290, 59397019, 63908185, 91795393, 107994580, 118794038, 127816370, 183590786, 237588076, 255632740, 296985095, 367181572, 458976965, 593970190, 917953930, 1009749323, 1187940380, 1835907860, 2019498646, 4038997292, 5048746615, 10097493230, 20194986460]

約数ペア:

[(1, 20194986460), (2, 10097493230), (4, 5048746615), (5, 4038997292), (10, 2019498646), (11, 1835907860), (17, 1187940380), (20, 1009749323), (22, 917953930), (34, 593970190), (44, 458976965), (55, 367181572), (68, 296985095), (79, 255632740), (85, 237588076), (110, 183590786), (158, 127816370), (170, 118794038), (187, 107994580), (220, 91795393), (316, 63908185), (340, 59397019), (374, 53997290), (395, 51126548), (748, 26998645), (790, 25563274), (869, 23239340), (935, 21598916), (1343, 15037220), (1580, 12781637), (1738, 11619670), (1870, 10799458), (2686, 7518610), (3476, 5809835), (3740, 5399729), (4345, 4647868), (5372, 3759305), (6715, 3007444), (8690, 2323934), (13430, 1503722), (14773, 1367020), (17380, 1161967), (26860, 751861), (29546, 683510), (59092, 341755), (68351, 295460), (73865, 273404), (136702, 147730)]