20210960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:241

約数の個数: 160

約数和(自身を含む): 62353152

約数和(自身を除く): 42142192

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 80, 85, 88, 110, 112, 119, 136, 140, 154, 170, 176, 187, 193, 220, 238, 272, 280, 308, 340, 374, 385, 386, 440, 476, 560, 595, 616, 680, 748, 770, 772, 880, 935, 952, 965, 1190, 1232, 1309, 1351, 1360, 1496, 1540, 1544, 1870, 1904, 1930, 2123, 2380, 2618, 2702, 2992, 3080, 3088, 3281, 3740, 3860, 4246, 4760, 5236, 5404, 6160, 6545, 6562, 6755, 7480, 7720, 8492, 9520, 10472, 10615, 10808, 13090, 13124, 13510, 14861, 14960, 15440, 16405, 16984, 20944, 21230, 21616, 22967, 26180, 26248, 27020, 29722, 32810, 33968, 36091, 42460, 45934, 52360, 52496, 54040, 59444, 65620, 72182, 74305, 84920, 91868, 104720, 108080, 114835, 118888, 131240, 144364, 148610, 169840, 180455, 183736, 229670, 237776, 252637, 262480, 288728, 297220, 360910, 367472, 459340, 505274, 577456, 594440, 721820, 918680, 1010548, 1188880, 1263185, 1443640, 1837360, 2021096, 2526370, 2887280, 4042192, 5052740, 10105480, 20210960]

約数ペア:

[(1, 20210960), (2, 10105480), (4, 5052740), (5, 4042192), (7, 2887280), (8, 2526370), (10, 2021096), (11, 1837360), (14, 1443640), (16, 1263185), (17, 1188880), (20, 1010548), (22, 918680), (28, 721820), (34, 594440), (35, 577456), (40, 505274), (44, 459340), (55, 367472), (56, 360910), (68, 297220), (70, 288728), (77, 262480), (80, 252637), (85, 237776), (88, 229670), (110, 183736), (112, 180455), (119, 169840), (136, 148610), (140, 144364), (154, 131240), (170, 118888), (176, 114835), (187, 108080), (193, 104720), (220, 91868), (238, 84920), (272, 74305), (280, 72182), (308, 65620), (340, 59444), (374, 54040), (385, 52496), (386, 52360), (440, 45934), (476, 42460), (560, 36091), (595, 33968), (616, 32810), (680, 29722), (748, 27020), (770, 26248), (772, 26180), (880, 22967), (935, 21616), (952, 21230), (965, 20944), (1190, 16984), (1232, 16405), (1309, 15440), (1351, 14960), (1360, 14861), (1496, 13510), (1540, 13124), (1544, 13090), (1870, 10808), (1904, 10615), (1930, 10472), (2123, 9520), (2380, 8492), (2618, 7720), (2702, 7480), (2992, 6755), (3080, 6562), (3088, 6545), (3281, 6160), (3740, 5404), (3860, 5236), (4246, 4760)]