20070540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{937}}^1$

素因数の和:976

約数の個数: 144

約数和(自身を含む): 73749312

約数和(自身を除く): 53678772

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 937, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 1874, 2142, 2380, 2811, 3060, 3570, 3748, 4284, 4685, 5355, 5622, 6559, 7140, 8433, 9370, 10710, 11244, 13118, 14055, 15929, 16866, 18740, 19677, 21420, 26236, 28110, 31858, 32795, 33732, 39354, 42165, 47787, 56220, 59031, 63716, 65590, 78708, 79645, 84330, 95574, 98385, 111503, 118062, 131180, 143361, 159290, 168660, 191148, 196770, 223006, 236124, 238935, 286722, 295155, 318580, 334509, 393540, 446012, 477870, 557515, 573444, 590310, 669018, 716805, 955740, 1003527, 1115030, 1180620, 1338036, 1433610, 1672545, 2007054, 2230060, 2867220, 3345090, 4014108, 5017635, 6690180, 10035270, 20070540]

約数ペア:

[(1, 20070540), (2, 10035270), (3, 6690180), (4, 5017635), (5, 4014108), (6, 3345090), (7, 2867220), (9, 2230060), (10, 2007054), (12, 1672545), (14, 1433610), (15, 1338036), (17, 1180620), (18, 1115030), (20, 1003527), (21, 955740), (28, 716805), (30, 669018), (34, 590310), (35, 573444), (36, 557515), (42, 477870), (45, 446012), (51, 393540), (60, 334509), (63, 318580), (68, 295155), (70, 286722), (84, 238935), (85, 236124), (90, 223006), (102, 196770), (105, 191148), (119, 168660), (126, 159290), (140, 143361), (153, 131180), (170, 118062), (180, 111503), (204, 98385), (210, 95574), (238, 84330), (252, 79645), (255, 78708), (306, 65590), (315, 63716), (340, 59031), (357, 56220), (420, 47787), (476, 42165), (510, 39354), (595, 33732), (612, 32795), (630, 31858), (714, 28110), (765, 26236), (937, 21420), (1020, 19677), (1071, 18740), (1190, 16866), (1260, 15929), (1428, 14055), (1530, 13118), (1785, 11244), (1874, 10710), (2142, 9370), (2380, 8433), (2811, 7140), (3060, 6559), (3570, 5622), (3748, 5355), (4284, 4685)]