20896920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1759}}^1$

素因数の和:1790

約数の個数: 128

約数和(自身を含む): 76032000

約数和(自身を除く): 55135080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1759, 1980, 2376, 2970, 3518, 3960, 5277, 5940, 7036, 8795, 10554, 11880, 14072, 15831, 17590, 19349, 21108, 26385, 31662, 35180, 38698, 42216, 47493, 52770, 58047, 63324, 70360, 77396, 79155, 94986, 96745, 105540, 116094, 126648, 154792, 158310, 174141, 189972, 193490, 211080, 232188, 237465, 290235, 316620, 348282, 379944, 386980, 464376, 474930, 522423, 580470, 633240, 696564, 773960, 870705, 949860, 1044846, 1160940, 1393128, 1741410, 1899720, 2089692, 2321880, 2612115, 3482820, 4179384, 5224230, 6965640, 10448460, 20896920]

約数ペア:

[(1, 20896920), (2, 10448460), (3, 6965640), (4, 5224230), (5, 4179384), (6, 3482820), (8, 2612115), (9, 2321880), (10, 2089692), (11, 1899720), (12, 1741410), (15, 1393128), (18, 1160940), (20, 1044846), (22, 949860), (24, 870705), (27, 773960), (30, 696564), (33, 633240), (36, 580470), (40, 522423), (44, 474930), (45, 464376), (54, 386980), (55, 379944), (60, 348282), (66, 316620), (72, 290235), (88, 237465), (90, 232188), (99, 211080), (108, 193490), (110, 189972), (120, 174141), (132, 158310), (135, 154792), (165, 126648), (180, 116094), (198, 105540), (216, 96745), (220, 94986), (264, 79155), (270, 77396), (297, 70360), (330, 63324), (360, 58047), (396, 52770), (440, 47493), (495, 42216), (540, 38698), (594, 35180), (660, 31662), (792, 26385), (990, 21108), (1080, 19349), (1188, 17590), (1320, 15831), (1485, 14072), (1759, 11880), (1980, 10554), (2376, 8795), (2970, 7036), (3518, 5940), (3960, 5277)]