20766506160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{256757}}^1$

素因数の和:257110

約数の個数: 80

約数和(自身を含む): 64567447776

約数和(自身を除く): 43800941616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 337, 674, 1011, 1348, 1685, 2022, 2696, 3370, 4044, 5055, 5392, 6740, 8088, 10110, 13480, 16176, 20220, 26960, 40440, 80880, 256757, 513514, 770271, 1027028, 1283785, 1540542, 2054056, 2567570, 3081084, 3851355, 4108112, 5135140, 6162168, 7702710, 10270280, 12324336, 15405420, 20540560, 30810840, 61621680, 86527109, 173054218, 259581327, 346108436, 432635545, 519162654, 692216872, 865271090, 1038325308, 1297906635, 1384433744, 1730542180, 2076650616, 2595813270, 3461084360, 4153301232, 5191626540, 6922168720, 10383253080, 20766506160]

約数ペア:

[(1, 20766506160), (2, 10383253080), (3, 6922168720), (4, 5191626540), (5, 4153301232), (6, 3461084360), (8, 2595813270), (10, 2076650616), (12, 1730542180), (15, 1384433744), (16, 1297906635), (20, 1038325308), (24, 865271090), (30, 692216872), (40, 519162654), (48, 432635545), (60, 346108436), (80, 259581327), (120, 173054218), (240, 86527109), (337, 61621680), (674, 30810840), (1011, 20540560), (1348, 15405420), (1685, 12324336), (2022, 10270280), (2696, 7702710), (3370, 6162168), (4044, 5135140), (5055, 4108112), (5392, 3851355), (6740, 3081084), (8088, 2567570), (10110, 2054056), (13480, 1540542), (16176, 1283785), (20220, 1027028), (26960, 770271), (40440, 513514), (80880, 256757)]