20466755520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{3491}}^1$

素因数の和:3739

約数の個数: 224

約数和(自身を含む): 67437950976

約数和(自身を除く): 46971195456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 197, 240, 248, 310, 320, 372, 394, 465, 480, 496, 591, 620, 744, 788, 930, 960, 985, 992, 1182, 1240, 1488, 1576, 1860, 1970, 1984, 2364, 2480, 2955, 2976, 3152, 3491, 3720, 3940, 4728, 4960, 5910, 5952, 6107, 6304, 6982, 7440, 7880, 9456, 9920, 10473, 11820, 12214, 12608, 13964, 14880, 15760, 17455, 18321, 18912, 20946, 23640, 24428, 27928, 29760, 30535, 31520, 34910, 36642, 37824, 41892, 47280, 48856, 52365, 55856, 61070, 63040, 69820, 73284, 83784, 91605, 94560, 97712, 104730, 108221, 111712, 122140, 139640, 146568, 167568, 183210, 189120, 195424, 209460, 216442, 223424, 244280, 279280, 293136, 324663, 335136, 366420, 390848, 418920, 432884, 488560, 541105, 558560, 586272, 649326, 670272, 687727, 732840, 837840, 865768, 977120, 1082210, 1117120, 1172544, 1298652, 1375454, 1465680, 1623315, 1675680, 1731536, 1954240, 2063181, 2164420, 2597304, 2750908, 2931360, 3246630, 3351360, 3438635, 3463072, 4126362, 4328840, 5194608, 5501816, 5862720, 6493260, 6877270, 6926144, 8252724, 8657680, 10315905, 10389216, 11003632, 12986520, 13754540, 16505448, 17315360, 20631810, 20778432, 21319537, 22007264, 25973040, 27509080, 33010896, 34630720, 41263620, 42639074, 44014528, 51946080, 55018160, 63958611, 66021792, 82527240, 85278148, 103892160, 106597685, 110036320, 127917222, 132043584, 165054480, 170556296, 213195370, 220072640, 255834444, 319793055, 330108960, 341112592, 426390740, 511668888, 639586110, 660217920, 682225184, 852781480, 1023337776, 1279172220, 1364450368, 1705562960, 2046675552, 2558344440, 3411125920, 4093351104, 5116688880, 6822251840, 10233377760, 20466755520]

約数ペア:

[(1, 20466755520), (2, 10233377760), (3, 6822251840), (4, 5116688880), (5, 4093351104), (6, 3411125920), (8, 2558344440), (10, 2046675552), (12, 1705562960), (15, 1364450368), (16, 1279172220), (20, 1023337776), (24, 852781480), (30, 682225184), (31, 660217920), (32, 639586110), (40, 511668888), (48, 426390740), (60, 341112592), (62, 330108960), (64, 319793055), (80, 255834444), (93, 220072640), (96, 213195370), (120, 170556296), (124, 165054480), (155, 132043584), (160, 127917222), (186, 110036320), (192, 106597685), (197, 103892160), (240, 85278148), (248, 82527240), (310, 66021792), (320, 63958611), (372, 55018160), (394, 51946080), (465, 44014528), (480, 42639074), (496, 41263620), (591, 34630720), (620, 33010896), (744, 27509080), (788, 25973040), (930, 22007264), (960, 21319537), (985, 20778432), (992, 20631810), (1182, 17315360), (1240, 16505448), (1488, 13754540), (1576, 12986520), (1860, 11003632), (1970, 10389216), (1984, 10315905), (2364, 8657680), (2480, 8252724), (2955, 6926144), (2976, 6877270), (3152, 6493260), (3491, 5862720), (3720, 5501816), (3940, 5194608), (4728, 4328840), (4960, 4126362), (5910, 3463072), (5952, 3438635), (6107, 3351360), (6304, 3246630), (6982, 2931360), (7440, 2750908), (7880, 2597304), (9456, 2164420), (9920, 2063181), (10473, 1954240), (11820, 1731536), (12214, 1675680), (12608, 1623315), (13964, 1465680), (14880, 1375454), (15760, 1298652), (17455, 1172544), (18321, 1117120), (18912, 1082210), (20946, 977120), (23640, 865768), (24428, 837840), (27928, 732840), (29760, 687727), (30535, 670272), (31520, 649326), (34910, 586272), (36642, 558560), (37824, 541105), (41892, 488560), (47280, 432884), (48856, 418920), (52365, 390848), (55856, 366420), (61070, 335136), (63040, 324663), (69820, 293136), (73284, 279280), (83784, 244280), (91605, 223424), (94560, 216442), (97712, 209460), (104730, 195424), (108221, 189120), (111712, 183210), (122140, 167568), (139640, 146568)]