20944440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 256

約数和(自身を含む): 79833600

約数和(自身を除く): 58889160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 41, 43, 44, 45, 54, 55, 60, 66, 72, 82, 86, 88, 90, 99, 108, 110, 120, 123, 129, 132, 135, 164, 165, 172, 180, 198, 205, 215, 216, 220, 246, 258, 264, 270, 297, 328, 330, 344, 360, 369, 387, 396, 410, 430, 440, 451, 473, 492, 495, 516, 540, 594, 615, 645, 660, 738, 774, 792, 820, 860, 902, 946, 984, 990, 1032, 1080, 1107, 1161, 1188, 1230, 1290, 1320, 1353, 1419, 1476, 1485, 1548, 1640, 1720, 1763, 1804, 1845, 1892, 1935, 1980, 2214, 2255, 2322, 2365, 2376, 2460, 2580, 2706, 2838, 2952, 2970, 3096, 3526, 3608, 3690, 3784, 3870, 3960, 4059, 4257, 4428, 4510, 4644, 4730, 4920, 5160, 5289, 5412, 5535, 5676, 5805, 5940, 6765, 7052, 7095, 7380, 7740, 8118, 8514, 8815, 8856, 9020, 9288, 9460, 10578, 10824, 11070, 11352, 11610, 11880, 12177, 12771, 13530, 14104, 14190, 14760, 15480, 15867, 16236, 17028, 17630, 18040, 18920, 19393, 20295, 21156, 21285, 22140, 23220, 24354, 25542, 26445, 27060, 28380, 31734, 32472, 34056, 35260, 38786, 40590, 42312, 42570, 44280, 46440, 47601, 48708, 51084, 52890, 54120, 56760, 58179, 60885, 63468, 63855, 70520, 77572, 79335, 81180, 85140, 95202, 96965, 97416, 102168, 105780, 116358, 121770, 126936, 127710, 155144, 158670, 162360, 170280, 174537, 190404, 193930, 211560, 232716, 238005, 243540, 255420, 290895, 317340, 349074, 380808, 387860, 465432, 476010, 487080, 510840, 523611, 581790, 634680, 698148, 775720, 872685, 952020, 1047222, 1163580, 1396296, 1745370, 1904040, 2094444, 2327160, 2618055, 3490740, 4188888, 5236110, 6981480, 10472220, 20944440]

約数ペア:

[(1, 20944440), (2, 10472220), (3, 6981480), (4, 5236110), (5, 4188888), (6, 3490740), (8, 2618055), (9, 2327160), (10, 2094444), (11, 1904040), (12, 1745370), (15, 1396296), (18, 1163580), (20, 1047222), (22, 952020), (24, 872685), (27, 775720), (30, 698148), (33, 634680), (36, 581790), (40, 523611), (41, 510840), (43, 487080), (44, 476010), (45, 465432), (54, 387860), (55, 380808), (60, 349074), (66, 317340), (72, 290895), (82, 255420), (86, 243540), (88, 238005), (90, 232716), (99, 211560), (108, 193930), (110, 190404), (120, 174537), (123, 170280), (129, 162360), (132, 158670), (135, 155144), (164, 127710), (165, 126936), (172, 121770), (180, 116358), (198, 105780), (205, 102168), (215, 97416), (216, 96965), (220, 95202), (246, 85140), (258, 81180), (264, 79335), (270, 77572), (297, 70520), (328, 63855), (330, 63468), (344, 60885), (360, 58179), (369, 56760), (387, 54120), (396, 52890), (410, 51084), (430, 48708), (440, 47601), (451, 46440), (473, 44280), (492, 42570), (495, 42312), (516, 40590), (540, 38786), (594, 35260), (615, 34056), (645, 32472), (660, 31734), (738, 28380), (774, 27060), (792, 26445), (820, 25542), (860, 24354), (902, 23220), (946, 22140), (984, 21285), (990, 21156), (1032, 20295), (1080, 19393), (1107, 18920), (1161, 18040), (1188, 17630), (1230, 17028), (1290, 16236), (1320, 15867), (1353, 15480), (1419, 14760), (1476, 14190), (1485, 14104), (1548, 13530), (1640, 12771), (1720, 12177), (1763, 11880), (1804, 11610), (1845, 11352), (1892, 11070), (1935, 10824), (1980, 10578), (2214, 9460), (2255, 9288), (2322, 9020), (2365, 8856), (2376, 8815), (2460, 8514), (2580, 8118), (2706, 7740), (2838, 7380), (2952, 7095), (2970, 7052), (3096, 6765), (3526, 5940), (3608, 5805), (3690, 5676), (3784, 5535), (3870, 5412), (3960, 5289), (4059, 5160), (4257, 4920), (4428, 4730), (4510, 4644)]