20766900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:95

約数の個数: 288

約数和(自身を含む): 79994880

約数和(自身を除く): 59227980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 29, 30, 31, 33, 35, 42, 44, 50, 55, 58, 60, 62, 66, 70, 75, 77, 84, 87, 93, 100, 105, 110, 116, 124, 132, 140, 145, 150, 154, 155, 165, 174, 175, 186, 203, 210, 217, 220, 231, 275, 290, 300, 308, 310, 319, 330, 341, 348, 350, 372, 385, 406, 420, 434, 435, 462, 465, 525, 550, 580, 609, 620, 638, 651, 660, 682, 700, 725, 770, 775, 812, 825, 868, 870, 899, 924, 930, 957, 1015, 1023, 1050, 1085, 1100, 1155, 1218, 1276, 1302, 1364, 1450, 1540, 1550, 1595, 1650, 1705, 1740, 1798, 1860, 1914, 1925, 2030, 2046, 2100, 2170, 2175, 2233, 2310, 2325, 2387, 2436, 2604, 2697, 2900, 3045, 3100, 3190, 3255, 3300, 3410, 3596, 3828, 3850, 4060, 4092, 4340, 4350, 4466, 4495, 4620, 4650, 4774, 4785, 5075, 5115, 5394, 5425, 5775, 6090, 6293, 6380, 6510, 6699, 6820, 7161, 7700, 7975, 8525, 8700, 8932, 8990, 9300, 9548, 9570, 9889, 10150, 10230, 10788, 10850, 11165, 11550, 11935, 12180, 12586, 13020, 13398, 13485, 14322, 15225, 15950, 16275, 17050, 17980, 18879, 19140, 19778, 20300, 20460, 21700, 22330, 22475, 23100, 23870, 23925, 25172, 25575, 26796, 26970, 28644, 29667, 30450, 31465, 31900, 32550, 33495, 34100, 35805, 37758, 39556, 44660, 44950, 47740, 47850, 49445, 51150, 53940, 55825, 59334, 59675, 60900, 62930, 65100, 66990, 67425, 69223, 71610, 75516, 89900, 94395, 95700, 98890, 102300, 111650, 118668, 119350, 125860, 133980, 134850, 138446, 143220, 148335, 157325, 167475, 179025, 188790, 197780, 207669, 223300, 238700, 247225, 269700, 276892, 296670, 314650, 334950, 346115, 358050, 377580, 415338, 471975, 494450, 593340, 629300, 669900, 692230, 716100, 741675, 830676, 943950, 988900, 1038345, 1384460, 1483350, 1730575, 1887900, 2076690, 2966700, 3461150, 4153380, 5191725, 6922300, 10383450, 20766900]

約数ペア:

[(1, 20766900), (2, 10383450), (3, 6922300), (4, 5191725), (5, 4153380), (6, 3461150), (7, 2966700), (10, 2076690), (11, 1887900), (12, 1730575), (14, 1483350), (15, 1384460), (20, 1038345), (21, 988900), (22, 943950), (25, 830676), (28, 741675), (29, 716100), (30, 692230), (31, 669900), (33, 629300), (35, 593340), (42, 494450), (44, 471975), (50, 415338), (55, 377580), (58, 358050), (60, 346115), (62, 334950), (66, 314650), (70, 296670), (75, 276892), (77, 269700), (84, 247225), (87, 238700), (93, 223300), (100, 207669), (105, 197780), (110, 188790), (116, 179025), (124, 167475), (132, 157325), (140, 148335), (145, 143220), (150, 138446), (154, 134850), (155, 133980), (165, 125860), (174, 119350), (175, 118668), (186, 111650), (203, 102300), (210, 98890), (217, 95700), (220, 94395), (231, 89900), (275, 75516), (290, 71610), (300, 69223), (308, 67425), (310, 66990), (319, 65100), (330, 62930), (341, 60900), (348, 59675), (350, 59334), (372, 55825), (385, 53940), (406, 51150), (420, 49445), (434, 47850), (435, 47740), (462, 44950), (465, 44660), (525, 39556), (550, 37758), (580, 35805), (609, 34100), (620, 33495), (638, 32550), (651, 31900), (660, 31465), (682, 30450), (700, 29667), (725, 28644), (770, 26970), (775, 26796), (812, 25575), (825, 25172), (868, 23925), (870, 23870), (899, 23100), (924, 22475), (930, 22330), (957, 21700), (1015, 20460), (1023, 20300), (1050, 19778), (1085, 19140), (1100, 18879), (1155, 17980), (1218, 17050), (1276, 16275), (1302, 15950), (1364, 15225), (1450, 14322), (1540, 13485), (1550, 13398), (1595, 13020), (1650, 12586), (1705, 12180), (1740, 11935), (1798, 11550), (1860, 11165), (1914, 10850), (1925, 10788), (2030, 10230), (2046, 10150), (2100, 9889), (2170, 9570), (2175, 9548), (2233, 9300), (2310, 8990), (2325, 8932), (2387, 8700), (2436, 8525), (2604, 7975), (2697, 7700), (2900, 7161), (3045, 6820), (3100, 6699), (3190, 6510), (3255, 6380), (3300, 6293), (3410, 6090), (3596, 5775), (3828, 5425), (3850, 5394), (4060, 5115), (4092, 5075), (4340, 4785), (4350, 4774), (4466, 4650), (4495, 4620)]