19903680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{6911}}^1$

素因数の和:6934

約数の個数: 84

約数和(自身を含む): 68470272

約数和(自身を除く): 48566592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 6911, 13822, 20733, 27644, 34555, 41466, 55288, 62199, 69110, 82932, 103665, 110576, 124398, 138220, 165864, 207330, 221152, 248796, 276440, 310995, 331728, 414660, 442304, 497592, 552880, 621990, 663456, 829320, 995184, 1105760, 1243980, 1326912, 1658640, 1990368, 2211520, 2487960, 3317280, 3980736, 4975920, 6634560, 9951840, 19903680]

約数ペア:

[(1, 19903680), (2, 9951840), (3, 6634560), (4, 4975920), (5, 3980736), (6, 3317280), (8, 2487960), (9, 2211520), (10, 1990368), (12, 1658640), (15, 1326912), (16, 1243980), (18, 1105760), (20, 995184), (24, 829320), (30, 663456), (32, 621990), (36, 552880), (40, 497592), (45, 442304), (48, 414660), (60, 331728), (64, 310995), (72, 276440), (80, 248796), (90, 221152), (96, 207330), (120, 165864), (144, 138220), (160, 124398), (180, 110576), (192, 103665), (240, 82932), (288, 69110), (320, 62199), (360, 55288), (480, 41466), (576, 34555), (720, 27644), (960, 20733), (1440, 13822), (2880, 6911)]