20370240

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1$

素因数の和:677

約数の個数: 168

約数和(自身を含む): 76553568

約数和(自身を除く): 56183328

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, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 264, 288, 320, 330, 352, 360, 396, 440, 480, 495, 528, 576, 643, 660, 704, 720, 792, 880, 960, 990, 1056, 1286, 1320, 1440, 1584, 1760, 1929, 1980, 2112, 2572, 2640, 2880, 3168, 3215, 3520, 3858, 3960, 5144, 5280, 5787, 6336, 6430, 7073, 7716, 7920, 9645, 10288, 10560, 11574, 12860, 14146, 15432, 15840, 19290, 20576, 21219, 23148, 25720, 28292, 28935, 30864, 31680, 35365, 38580, 41152, 42438, 46296, 51440, 56584, 57870, 61728, 63657, 70730, 77160, 84876, 92592, 102880, 106095, 113168, 115740, 123456, 127314, 141460, 154320, 169752, 185184, 205760, 212190, 226336, 231480, 254628, 282920, 308640, 318285, 339504, 370368, 424380, 452672, 462960, 509256, 565840, 617280, 636570, 679008, 848760, 925920, 1018512, 1131680, 1273140, 1358016, 1697520, 1851840, 2037024, 2263360, 2546280, 3395040, 4074048, 5092560, 6790080, 10185120, 20370240]

約数ペア:

[(1, 20370240), (2, 10185120), (3, 6790080), (4, 5092560), (5, 4074048), (6, 3395040), (8, 2546280), (9, 2263360), (10, 2037024), (11, 1851840), (12, 1697520), (15, 1358016), (16, 1273140), (18, 1131680), (20, 1018512), (22, 925920), (24, 848760), (30, 679008), (32, 636570), (33, 617280), (36, 565840), (40, 509256), (44, 462960), (45, 452672), (48, 424380), (55, 370368), (60, 339504), (64, 318285), (66, 308640), (72, 282920), (80, 254628), (88, 231480), (90, 226336), (96, 212190), (99, 205760), (110, 185184), (120, 169752), (132, 154320), (144, 141460), (160, 127314), (165, 123456), (176, 115740), (180, 113168), (192, 106095), (198, 102880), (220, 92592), (240, 84876), (264, 77160), (288, 70730), (320, 63657), (330, 61728), (352, 57870), (360, 56584), (396, 51440), (440, 46296), (480, 42438), (495, 41152), (528, 38580), (576, 35365), (643, 31680), (660, 30864), (704, 28935), (720, 28292), (792, 25720), (880, 23148), (960, 21219), (990, 20576), (1056, 19290), (1286, 15840), (1320, 15432), (1440, 14146), (1584, 12860), (1760, 11574), (1929, 10560), (1980, 10288), (2112, 9645), (2572, 7920), (2640, 7716), (2880, 7073), (3168, 6430), (3215, 6336), (3520, 5787), (3858, 5280), (3960, 5144)]