20932560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{881}}^1$

素因数の和:914

約数の個数: 160

約数和(自身を含む): 78744960

約数和(自身を除く): 57812400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 99, 108, 110, 120, 132, 135, 144, 165, 176, 180, 198, 216, 220, 240, 264, 270, 297, 330, 360, 396, 432, 440, 495, 528, 540, 594, 660, 720, 792, 880, 881, 990, 1080, 1188, 1320, 1485, 1584, 1762, 1980, 2160, 2376, 2640, 2643, 2970, 3524, 3960, 4405, 4752, 5286, 5940, 7048, 7920, 7929, 8810, 9691, 10572, 11880, 13215, 14096, 15858, 17620, 19382, 21144, 23760, 23787, 26430, 29073, 31716, 35240, 38764, 39645, 42288, 47574, 48455, 52860, 58146, 63432, 70480, 77528, 79290, 87219, 95148, 96910, 105720, 116292, 118935, 126864, 145365, 155056, 158580, 174438, 190296, 193820, 211440, 232584, 237870, 261657, 290730, 317160, 348876, 380592, 387640, 436095, 465168, 475740, 523314, 581460, 634320, 697752, 775280, 872190, 951480, 1046628, 1162920, 1308285, 1395504, 1744380, 1902960, 2093256, 2325840, 2616570, 3488760, 4186512, 5233140, 6977520, 10466280, 20932560]

約数ペア:

[(1, 20932560), (2, 10466280), (3, 6977520), (4, 5233140), (5, 4186512), (6, 3488760), (8, 2616570), (9, 2325840), (10, 2093256), (11, 1902960), (12, 1744380), (15, 1395504), (16, 1308285), (18, 1162920), (20, 1046628), (22, 951480), (24, 872190), (27, 775280), (30, 697752), (33, 634320), (36, 581460), (40, 523314), (44, 475740), (45, 465168), (48, 436095), (54, 387640), (55, 380592), (60, 348876), (66, 317160), (72, 290730), (80, 261657), (88, 237870), (90, 232584), (99, 211440), (108, 193820), (110, 190296), (120, 174438), (132, 158580), (135, 155056), (144, 145365), (165, 126864), (176, 118935), (180, 116292), (198, 105720), (216, 96910), (220, 95148), (240, 87219), (264, 79290), (270, 77528), (297, 70480), (330, 63432), (360, 58146), (396, 52860), (432, 48455), (440, 47574), (495, 42288), (528, 39645), (540, 38764), (594, 35240), (660, 31716), (720, 29073), (792, 26430), (880, 23787), (881, 23760), (990, 21144), (1080, 19382), (1188, 17620), (1320, 15858), (1485, 14096), (1584, 13215), (1762, 11880), (1980, 10572), (2160, 9691), (2376, 8810), (2640, 7929), (2643, 7920), (2970, 7048), (3524, 5940), (3960, 5286), (4405, 4752)]