20330400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 144

約数和(自身を含む): 68058144

約数和(自身を除く): 47727744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 43, 48, 50, 60, 75, 80, 86, 96, 100, 120, 129, 150, 160, 172, 197, 200, 215, 240, 258, 300, 344, 394, 400, 430, 480, 516, 591, 600, 645, 688, 788, 800, 860, 985, 1032, 1075, 1182, 1200, 1290, 1376, 1576, 1720, 1970, 2064, 2150, 2364, 2400, 2580, 2955, 3152, 3225, 3440, 3940, 4128, 4300, 4728, 4925, 5160, 5910, 6304, 6450, 6880, 7880, 8471, 8600, 9456, 9850, 10320, 11820, 12900, 14775, 15760, 16942, 17200, 18912, 19700, 20640, 23640, 25413, 25800, 29550, 31520, 33884, 34400, 39400, 42355, 47280, 50826, 51600, 59100, 67768, 78800, 84710, 94560, 101652, 103200, 118200, 127065, 135536, 157600, 169420, 203304, 211775, 236400, 254130, 271072, 338840, 406608, 423550, 472800, 508260, 635325, 677680, 813216, 847100, 1016520, 1270650, 1355360, 1694200, 2033040, 2541300, 3388400, 4066080, 5082600, 6776800, 10165200, 20330400]

約数ペア:

[(1, 20330400), (2, 10165200), (3, 6776800), (4, 5082600), (5, 4066080), (6, 3388400), (8, 2541300), (10, 2033040), (12, 1694200), (15, 1355360), (16, 1270650), (20, 1016520), (24, 847100), (25, 813216), (30, 677680), (32, 635325), (40, 508260), (43, 472800), (48, 423550), (50, 406608), (60, 338840), (75, 271072), (80, 254130), (86, 236400), (96, 211775), (100, 203304), (120, 169420), (129, 157600), (150, 135536), (160, 127065), (172, 118200), (197, 103200), (200, 101652), (215, 94560), (240, 84710), (258, 78800), (300, 67768), (344, 59100), (394, 51600), (400, 50826), (430, 47280), (480, 42355), (516, 39400), (591, 34400), (600, 33884), (645, 31520), (688, 29550), (788, 25800), (800, 25413), (860, 23640), (985, 20640), (1032, 19700), (1075, 18912), (1182, 17200), (1200, 16942), (1290, 15760), (1376, 14775), (1576, 12900), (1720, 11820), (1970, 10320), (2064, 9850), (2150, 9456), (2364, 8600), (2400, 8471), (2580, 7880), (2955, 6880), (3152, 6450), (3225, 6304), (3440, 5910), (3940, 5160), (4128, 4925), (4300, 4728)]