20892960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1319}}^1$

素因数の和:1351

約数の個数: 144

約数和(自身を含む): 77837760

約数和(自身を除く): 56944800

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, 1319, 1320, 1440, 1584, 1760, 1980, 2638, 2640, 3168, 3957, 3960, 5276, 5280, 6595, 7914, 7920, 10552, 11871, 13190, 14509, 15828, 15840, 19785, 21104, 23742, 26380, 29018, 31656, 39570, 42208, 43527, 47484, 52760, 58036, 59355, 63312, 72545, 79140, 87054, 94968, 105520, 116072, 118710, 126624, 130581, 145090, 158280, 174108, 189936, 211040, 217635, 232144, 237420, 261162, 290180, 316560, 348216, 379872, 435270, 464288, 474840, 522324, 580360, 633120, 652905, 696432, 870540, 949680, 1044648, 1160720, 1305810, 1392864, 1741080, 1899360, 2089296, 2321440, 2611620, 3482160, 4178592, 5223240, 6964320, 10446480, 20892960]

約数ペア:

[(1, 20892960), (2, 10446480), (3, 6964320), (4, 5223240), (5, 4178592), (6, 3482160), (8, 2611620), (9, 2321440), (10, 2089296), (11, 1899360), (12, 1741080), (15, 1392864), (16, 1305810), (18, 1160720), (20, 1044648), (22, 949680), (24, 870540), (30, 696432), (32, 652905), (33, 633120), (36, 580360), (40, 522324), (44, 474840), (45, 464288), (48, 435270), (55, 379872), (60, 348216), (66, 316560), (72, 290180), (80, 261162), (88, 237420), (90, 232144), (96, 217635), (99, 211040), (110, 189936), (120, 174108), (132, 158280), (144, 145090), (160, 130581), (165, 126624), (176, 118710), (180, 116072), (198, 105520), (220, 94968), (240, 87054), (264, 79140), (288, 72545), (330, 63312), (352, 59355), (360, 58036), (396, 52760), (440, 47484), (480, 43527), (495, 42208), (528, 39570), (660, 31656), (720, 29018), (792, 26380), (880, 23742), (990, 21104), (1056, 19785), (1319, 15840), (1320, 15828), (1440, 14509), (1584, 13190), (1760, 11871), (1980, 10552), (2638, 7920), (2640, 7914), (3168, 6595), (3957, 5280), (3960, 5276)]