2012621968

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{20123}}^1$

素因数の和:20204

約数の個数: 80

約数和(自身を含む): 4791121920

約数和(自身を除く): 2778499952

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 47, 56, 76, 94, 112, 133, 152, 188, 266, 304, 329, 376, 532, 658, 752, 893, 1064, 1316, 1786, 2128, 2632, 3572, 5264, 6251, 7144, 12502, 14288, 20123, 25004, 40246, 50008, 80492, 100016, 140861, 160984, 281722, 321968, 382337, 563444, 764674, 945781, 1126888, 1529348, 1891562, 2253776, 2676359, 3058696, 3783124, 5352718, 6117392, 6620467, 7566248, 10705436, 13240934, 15132496, 17969839, 21410872, 26481868, 35939678, 42821744, 52963736, 71879356, 105927472, 125788873, 143758712, 251577746, 287517424, 503155492, 1006310984, 2012621968]

約数ペア:

[(1, 2012621968), (2, 1006310984), (4, 503155492), (7, 287517424), (8, 251577746), (14, 143758712), (16, 125788873), (19, 105927472), (28, 71879356), (38, 52963736), (47, 42821744), (56, 35939678), (76, 26481868), (94, 21410872), (112, 17969839), (133, 15132496), (152, 13240934), (188, 10705436), (266, 7566248), (304, 6620467), (329, 6117392), (376, 5352718), (532, 3783124), (658, 3058696), (752, 2676359), (893, 2253776), (1064, 1891562), (1316, 1529348), (1786, 1126888), (2128, 945781), (2632, 764674), (3572, 563444), (5264, 382337), (6251, 321968), (7144, 281722), (12502, 160984), (14288, 140861), (20123, 100016), (25004, 80492), (40246, 50008)]