20287907118

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{153077}}^1$

素因数の和:153321

約数の個数: 48

約数和(自身を含む): 45372319200

約数和(自身を除く): 25084412082

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 199, 222, 333, 398, 597, 666, 1194, 1791, 3582, 7363, 14726, 22089, 44178, 66267, 132534, 153077, 306154, 459231, 918462, 1377693, 2755386, 5663849, 11327698, 16991547, 30462323, 33983094, 50974641, 60924646, 91386969, 101949282, 182773938, 274160907, 548321814, 1127105951, 2254211902, 3381317853, 6762635706, 10143953559, 20287907118]

約数ペア:

[(1, 20287907118), (2, 10143953559), (3, 6762635706), (6, 3381317853), (9, 2254211902), (18, 1127105951), (37, 548321814), (74, 274160907), (111, 182773938), (199, 101949282), (222, 91386969), (333, 60924646), (398, 50974641), (597, 33983094), (666, 30462323), (1194, 16991547), (1791, 11327698), (3582, 5663849), (7363, 2755386), (14726, 1377693), (22089, 918462), (44178, 459231), (66267, 306154), (132534, 153077)]