20259360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1279}}^1$

素因数の和:1311

約数の個数: 144

約数和(自身を含む): 75479040

約数和(自身を除く): 55219680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1279, 1320, 1440, 1584, 1760, 1980, 2558, 2640, 3168, 3837, 3960, 5116, 5280, 6395, 7674, 7920, 10232, 11511, 12790, 14069, 15348, 15840, 19185, 20464, 23022, 25580, 28138, 30696, 38370, 40928, 42207, 46044, 51160, 56276, 57555, 61392, 70345, 76740, 84414, 92088, 102320, 112552, 115110, 122784, 126621, 140690, 153480, 168828, 184176, 204640, 211035, 225104, 230220, 253242, 281380, 306960, 337656, 368352, 422070, 450208, 460440, 506484, 562760, 613920, 633105, 675312, 844140, 920880, 1012968, 1125520, 1266210, 1350624, 1688280, 1841760, 2025936, 2251040, 2532420, 3376560, 4051872, 5064840, 6753120, 10129680, 20259360]

約数ペア:

[(1, 20259360), (2, 10129680), (3, 6753120), (4, 5064840), (5, 4051872), (6, 3376560), (8, 2532420), (9, 2251040), (10, 2025936), (11, 1841760), (12, 1688280), (15, 1350624), (16, 1266210), (18, 1125520), (20, 1012968), (22, 920880), (24, 844140), (30, 675312), (32, 633105), (33, 613920), (36, 562760), (40, 506484), (44, 460440), (45, 450208), (48, 422070), (55, 368352), (60, 337656), (66, 306960), (72, 281380), (80, 253242), (88, 230220), (90, 225104), (96, 211035), (99, 204640), (110, 184176), (120, 168828), (132, 153480), (144, 140690), (160, 126621), (165, 122784), (176, 115110), (180, 112552), (198, 102320), (220, 92088), (240, 84414), (264, 76740), (288, 70345), (330, 61392), (352, 57555), (360, 56276), (396, 51160), (440, 46044), (480, 42207), (495, 40928), (528, 38370), (660, 30696), (720, 28138), (792, 25580), (880, 23022), (990, 20464), (1056, 19185), (1279, 15840), (1320, 15348), (1440, 14069), (1584, 12790), (1760, 11511), (1980, 10232), (2558, 7920), (2640, 7674), (3168, 6395), (3837, 5280), (3960, 5116)]