20131033520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1018777}}^1$

素因数の和:1018822

約数の個数: 80

約数和(自身を含む): 53057958240

約数和(自身を除く): 32926924720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 1018777, 2037554, 4075108, 5093885, 8150216, 10187770, 13244101, 16300432, 19356763, 20375540, 26488202, 38713526, 40751080, 52976404, 66220505, 77427052, 81502160, 96783815, 105952808, 132441010, 154854104, 193567630, 211905616, 251637919, 264882020, 309708208, 387135260, 503275838, 529764040, 774270520, 1006551676, 1059528080, 1258189595, 1548541040, 2013103352, 2516379190, 4026206704, 5032758380, 10065516760, 20131033520]

約数ペア:

[(1, 20131033520), (2, 10065516760), (4, 5032758380), (5, 4026206704), (8, 2516379190), (10, 2013103352), (13, 1548541040), (16, 1258189595), (19, 1059528080), (20, 1006551676), (26, 774270520), (38, 529764040), (40, 503275838), (52, 387135260), (65, 309708208), (76, 264882020), (80, 251637919), (95, 211905616), (104, 193567630), (130, 154854104), (152, 132441010), (190, 105952808), (208, 96783815), (247, 81502160), (260, 77427052), (304, 66220505), (380, 52976404), (494, 40751080), (520, 38713526), (760, 26488202), (988, 20375540), (1040, 19356763), (1235, 16300432), (1520, 13244101), (1976, 10187770), (2470, 8150216), (3952, 5093885), (4940, 4075108), (9880, 2037554), (19760, 1018777)]