20191497840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{904637}}^1$

素因数の和:904687

約数の個数: 120

約数和(自身を含む): 69997269888

約数和(自身を除く): 49805772048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 904637, 1809274, 2713911, 3618548, 4523185, 5427822, 7237096, 8141733, 9046370, 10855644, 13569555, 14474192, 16283466, 18092740, 21711288, 27139110, 28043747, 32566932, 36185480, 40708665, 43422576, 54278220, 56087494, 65133864, 72370960, 81417330, 84131241, 108556440, 112174988, 130267728, 140218735, 162834660, 168262482, 217112880, 224349976, 252393723, 280437470, 325669320, 336524964, 420656205, 448699952, 504787446, 560874940, 651338640, 673049928, 841312410, 1009574892, 1121749880, 1261968615, 1346099856, 1682624820, 2019149784, 2243499760, 2523937230, 3365249640, 4038299568, 5047874460, 6730499280, 10095748920, 20191497840]

約数ペア:

[(1, 20191497840), (2, 10095748920), (3, 6730499280), (4, 5047874460), (5, 4038299568), (6, 3365249640), (8, 2523937230), (9, 2243499760), (10, 2019149784), (12, 1682624820), (15, 1346099856), (16, 1261968615), (18, 1121749880), (20, 1009574892), (24, 841312410), (30, 673049928), (31, 651338640), (36, 560874940), (40, 504787446), (45, 448699952), (48, 420656205), (60, 336524964), (62, 325669320), (72, 280437470), (80, 252393723), (90, 224349976), (93, 217112880), (120, 168262482), (124, 162834660), (144, 140218735), (155, 130267728), (180, 112174988), (186, 108556440), (240, 84131241), (248, 81417330), (279, 72370960), (310, 65133864), (360, 56087494), (372, 54278220), (465, 43422576), (496, 40708665), (558, 36185480), (620, 32566932), (720, 28043747), (744, 27139110), (930, 21711288), (1116, 18092740), (1240, 16283466), (1395, 14474192), (1488, 13569555), (1860, 10855644), (2232, 9046370), (2480, 8141733), (2790, 7237096), (3720, 5427822), (4464, 4523185), (5580, 3618548), (7440, 2713911), (11160, 1809274), (22320, 904637)]