20413800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1031}}^1$

素因数の和:1064

約数の個数: 144

約数和(自身を含む): 74861280

約数和(自身を除く): 54447480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 30, 33, 36, 40, 44, 45, 50, 55, 60, 66, 72, 75, 88, 90, 99, 100, 110, 120, 132, 150, 165, 180, 198, 200, 220, 225, 264, 275, 300, 330, 360, 396, 440, 450, 495, 550, 600, 660, 792, 825, 900, 990, 1031, 1100, 1320, 1650, 1800, 1980, 2062, 2200, 2475, 3093, 3300, 3960, 4124, 4950, 5155, 6186, 6600, 8248, 9279, 9900, 10310, 11341, 12372, 15465, 18558, 19800, 20620, 22682, 24744, 25775, 30930, 34023, 37116, 41240, 45364, 46395, 51550, 56705, 61860, 68046, 74232, 77325, 90728, 92790, 102069, 103100, 113410, 123720, 136092, 154650, 170115, 185580, 204138, 206200, 226820, 231975, 272184, 283525, 309300, 340230, 371160, 408276, 453640, 463950, 510345, 567050, 618600, 680460, 816552, 850575, 927900, 1020690, 1134100, 1360920, 1701150, 1855800, 2041380, 2268200, 2551725, 3402300, 4082760, 5103450, 6804600, 10206900, 20413800]

約数ペア:

[(1, 20413800), (2, 10206900), (3, 6804600), (4, 5103450), (5, 4082760), (6, 3402300), (8, 2551725), (9, 2268200), (10, 2041380), (11, 1855800), (12, 1701150), (15, 1360920), (18, 1134100), (20, 1020690), (22, 927900), (24, 850575), (25, 816552), (30, 680460), (33, 618600), (36, 567050), (40, 510345), (44, 463950), (45, 453640), (50, 408276), (55, 371160), (60, 340230), (66, 309300), (72, 283525), (75, 272184), (88, 231975), (90, 226820), (99, 206200), (100, 204138), (110, 185580), (120, 170115), (132, 154650), (150, 136092), (165, 123720), (180, 113410), (198, 103100), (200, 102069), (220, 92790), (225, 90728), (264, 77325), (275, 74232), (300, 68046), (330, 61860), (360, 56705), (396, 51550), (440, 46395), (450, 45364), (495, 41240), (550, 37116), (600, 34023), (660, 30930), (792, 25775), (825, 24744), (900, 22682), (990, 20620), (1031, 19800), (1100, 18558), (1320, 15465), (1650, 12372), (1800, 11341), (1980, 10310), (2062, 9900), (2200, 9279), (2475, 8248), (3093, 6600), (3300, 6186), (3960, 5155), (4124, 4950)]