20810020440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{21391}}^1$

素因数の和:21494

約数の個数: 192

約数和(自身を含む): 69648929280

約数和(自身を除く): 48838908840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 67, 88, 110, 120, 121, 132, 134, 165, 201, 220, 242, 264, 268, 330, 335, 363, 402, 440, 484, 536, 605, 660, 670, 726, 737, 804, 968, 1005, 1210, 1320, 1340, 1452, 1474, 1608, 1815, 2010, 2211, 2420, 2680, 2904, 2948, 3630, 3685, 4020, 4422, 4840, 5896, 7260, 7370, 8040, 8107, 8844, 11055, 14520, 14740, 16214, 17688, 21391, 22110, 24321, 29480, 32428, 40535, 42782, 44220, 48642, 64173, 64856, 81070, 85564, 88440, 97284, 106955, 121605, 128346, 162140, 171128, 194568, 213910, 235301, 243210, 256692, 320865, 324280, 427820, 470602, 486420, 513384, 641730, 705903, 855640, 941204, 972840, 1176505, 1283460, 1411806, 1433197, 1882408, 2353010, 2566920, 2588311, 2823612, 2866394, 3529515, 4299591, 4706020, 5176622, 5647224, 5732788, 7059030, 7165985, 7764933, 8599182, 9412040, 10353244, 11465576, 12941555, 14118060, 14331970, 15529866, 15765167, 17198364, 20706488, 21497955, 25883110, 28236120, 28663940, 31059732, 31530334, 34396728, 38824665, 42995910, 47295501, 51766220, 57327880, 62119464, 63060668, 77649330, 78825835, 85991820, 94591002, 103532440, 126121336, 155298660, 157651670, 171983640, 173416837, 189182004, 236477505, 310597320, 315303340, 346833674, 378364008, 472955010, 520250511, 630606680, 693667348, 867084185, 945910020, 1040501022, 1387334696, 1734168370, 1891820040, 2081002044, 2601252555, 3468336740, 4162004088, 5202505110, 6936673480, 10405010220, 20810020440]

約数ペア:

[(1, 20810020440), (2, 10405010220), (3, 6936673480), (4, 5202505110), (5, 4162004088), (6, 3468336740), (8, 2601252555), (10, 2081002044), (11, 1891820040), (12, 1734168370), (15, 1387334696), (20, 1040501022), (22, 945910020), (24, 867084185), (30, 693667348), (33, 630606680), (40, 520250511), (44, 472955010), (55, 378364008), (60, 346833674), (66, 315303340), (67, 310597320), (88, 236477505), (110, 189182004), (120, 173416837), (121, 171983640), (132, 157651670), (134, 155298660), (165, 126121336), (201, 103532440), (220, 94591002), (242, 85991820), (264, 78825835), (268, 77649330), (330, 63060668), (335, 62119464), (363, 57327880), (402, 51766220), (440, 47295501), (484, 42995910), (536, 38824665), (605, 34396728), (660, 31530334), (670, 31059732), (726, 28663940), (737, 28236120), (804, 25883110), (968, 21497955), (1005, 20706488), (1210, 17198364), (1320, 15765167), (1340, 15529866), (1452, 14331970), (1474, 14118060), (1608, 12941555), (1815, 11465576), (2010, 10353244), (2211, 9412040), (2420, 8599182), (2680, 7764933), (2904, 7165985), (2948, 7059030), (3630, 5732788), (3685, 5647224), (4020, 5176622), (4422, 4706020), (4840, 4299591), (5896, 3529515), (7260, 2866394), (7370, 2823612), (8040, 2588311), (8107, 2566920), (8844, 2353010), (11055, 1882408), (14520, 1433197), (14740, 1411806), (16214, 1283460), (17688, 1176505), (21391, 972840), (22110, 941204), (24321, 855640), (29480, 705903), (32428, 641730), (40535, 513384), (42782, 486420), (44220, 470602), (48642, 427820), (64173, 324280), (64856, 320865), (81070, 256692), (85564, 243210), (88440, 235301), (97284, 213910), (106955, 194568), (121605, 171128), (128346, 162140)]