20324871.000000000

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2663}}^1$

素因数の和:2726

約数の個数: 128

約数和(自身を含む): 421977600

約数和(自身を除く): 298307880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 86, 90, 108, 120, 129, 135, 172, 180, 215, 216, 258, 270, 344, 360, 387, 430, 516, 540, 645, 774, 860, 1032, 1080, 1161, 1290, 1548, 1720, 1935, 2322, 2580, 2663, 3096, 3870, 4644, 5160, 5326, 5805, 7740, 7989, 9288, 10652, 11610, 13315, 15480, 15978, 21304, 23220, 23967, 26630, 31956, 39945, 46440, 47934, 53260, 63912, 71901, 79890, 95868, 106520, 114509, 119835, 143802, 159780, 191736, 229018, 239670, 287604, 319560, 343527, 359505, 458036, 479340, 572545, 575208, 687054, 719010, 916072, 958680, 1030581, 1145090, 1374108, 1438020, 1717635, 2061162, 2290180, 2748216, 2876040, 3091743, 3435270, 4122324, 4580360, 5152905, 6183486, 6870540, 8244648, 10305810, 12366972, 13741080, 15458715, 20611620, 24733944, 30917430, 41223240, 61834860, 123669720]

約数ペア:

[(1, 123669720), (2, 61834860), (3, 41223240), (4, 30917430), (5, 24733944), (6, 20611620), (8, 15458715), (9, 13741080), (10, 12366972), (12, 10305810), (15, 8244648), (18, 6870540), (20, 6183486), (24, 5152905), (27, 4580360), (30, 4122324), (36, 3435270), (40, 3091743), (43, 2876040), (45, 2748216), (54, 2290180), (60, 2061162), (72, 1717635), (86, 1438020), (90, 1374108), (108, 1145090), (120, 1030581), (129, 958680), (135, 916072), (172, 719010), (180, 687054), (215, 575208), (216, 572545), (258, 479340), (270, 458036), (344, 359505), (360, 343527), (387, 319560), (430, 287604), (516, 239670), (540, 229018), (645, 191736), (774, 159780), (860, 143802), (1032, 119835), (1080, 114509), (1161, 106520), (1290, 95868), (1548, 79890), (1720, 71901), (1935, 63912), (2322, 53260), (2580, 47934), (2663, 46440), (3096, 39945), (3870, 31956), (4644, 26630), (5160, 23967), (5326, 23220), (5805, 21304), (7740, 15978), (7989, 15480), (9288, 13315), (10652, 11610)]