20654280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57373}}^1$

素因数の和:57390

約数の個数: 48

約数和(自身を含む): 67127580

約数和(自身を除く): 46473300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57373, 114746, 172119, 229492, 286865, 344238, 458984, 516357, 573730, 688476, 860595, 1032714, 1147460, 1376952, 1721190, 2065428, 2294920, 2581785, 3442380, 4130856, 5163570, 6884760, 10327140, 20654280]

約数ペア:

[(1, 20654280), (2, 10327140), (3, 6884760), (4, 5163570), (5, 4130856), (6, 3442380), (8, 2581785), (9, 2294920), (10, 2065428), (12, 1721190), (15, 1376952), (18, 1147460), (20, 1032714), (24, 860595), (30, 688476), (36, 573730), (40, 516357), (45, 458984), (60, 344238), (72, 286865), (90, 229492), (120, 172119), (180, 114746), (360, 57373)]