20239211440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{16361}}^1$

素因数の和:16475

約数の個数: 120

約数和(自身を含む): 54950402592

約数和(自身を除く): 34711191152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2209, 2632, 3290, 3760, 4418, 5264, 6580, 8836, 11045, 13160, 15463, 16361, 17672, 22090, 26320, 30926, 32722, 35344, 44180, 61852, 65444, 77315, 81805, 88360, 114527, 123704, 130888, 154630, 163610, 176720, 229054, 247408, 261776, 309260, 327220, 458108, 572635, 618520, 654440, 768967, 916216, 1145270, 1237040, 1308880, 1537934, 1832432, 2290540, 3075868, 3844835, 4581080, 5382769, 6151736, 7689670, 9162160, 10765538, 12303472, 15379340, 21531076, 26913845, 30758680, 36141449, 43062152, 53827690, 61517360, 72282898, 86124304, 107655380, 144565796, 180707245, 215310760, 252990143, 289131592, 361414490, 430621520, 505980286, 578263184, 722828980, 1011960572, 1264950715, 1445657960, 2023921144, 2529901430, 2891315920, 4047842288, 5059802860, 10119605720, 20239211440]

約数ペア:

[(1, 20239211440), (2, 10119605720), (4, 5059802860), (5, 4047842288), (7, 2891315920), (8, 2529901430), (10, 2023921144), (14, 1445657960), (16, 1264950715), (20, 1011960572), (28, 722828980), (35, 578263184), (40, 505980286), (47, 430621520), (56, 361414490), (70, 289131592), (80, 252990143), (94, 215310760), (112, 180707245), (140, 144565796), (188, 107655380), (235, 86124304), (280, 72282898), (329, 61517360), (376, 53827690), (470, 43062152), (560, 36141449), (658, 30758680), (752, 26913845), (940, 21531076), (1316, 15379340), (1645, 12303472), (1880, 10765538), (2209, 9162160), (2632, 7689670), (3290, 6151736), (3760, 5382769), (4418, 4581080), (5264, 3844835), (6580, 3075868), (8836, 2290540), (11045, 1832432), (13160, 1537934), (15463, 1308880), (16361, 1237040), (17672, 1145270), (22090, 916216), (26320, 768967), (30926, 654440), (32722, 618520), (35344, 572635), (44180, 458108), (61852, 327220), (65444, 309260), (77315, 261776), (81805, 247408), (88360, 229054), (114527, 176720), (123704, 163610), (130888, 154630)]