20996319960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{252481}}^1$

素因数の和:252519

約数の個数: 256

約数和(自身を含む): 87257779200

約数和(自身を除く): 66261459240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 165, 168, 180, 189, 198, 210, 216, 220, 231, 252, 264, 270, 280, 297, 308, 315, 330, 360, 378, 385, 396, 420, 440, 462, 495, 504, 540, 594, 616, 630, 660, 693, 756, 770, 792, 840, 924, 945, 990, 1080, 1155, 1188, 1260, 1320, 1386, 1485, 1512, 1540, 1848, 1890, 1980, 2079, 2310, 2376, 2520, 2772, 2970, 3080, 3465, 3780, 3960, 4158, 4620, 5544, 5940, 6930, 7560, 8316, 9240, 10395, 11880, 13860, 16632, 20790, 27720, 41580, 83160, 252481, 504962, 757443, 1009924, 1262405, 1514886, 1767367, 2019848, 2272329, 2524810, 2777291, 3029772, 3534734, 3787215, 4544658, 5049620, 5302101, 5554582, 6059544, 6816987, 7069468, 7574430, 8331873, 8836835, 9089316, 10099240, 10604202, 11109164, 11361645, 13633974, 13886455, 14138936, 15148860, 15906303, 16663746, 17673670, 18178632, 19441037, 21208404, 22218328, 22723290, 24995619, 26510505, 27267948, 27772910, 30297720, 31812606, 33327492, 34084935, 35347340, 38882074, 41659365, 42416808, 45446580, 47718909, 49991238, 53021010, 54535896, 55545820, 58323111, 63625212, 66654984, 68169870, 70694680, 74986857, 77764148, 79531515, 83318730, 90893160, 95437818, 97205185, 99982476, 106042020, 111091640, 116646222, 124978095, 127250424, 136339740, 149973714, 155528296, 159063030, 166637460, 174969333, 190875636, 194410370, 199964952, 212084040, 233292444, 238594545, 249956190, 272679480, 291615555, 299947428, 318126060, 333274920, 349938666, 374934285, 381751272, 388820740, 466584888, 477189090, 499912380, 524907999, 583231110, 599894856, 636252120, 699877332, 749868570, 777641480, 874846665, 954378180, 999824760, 1049815998, 1166462220, 1399754664, 1499737140, 1749693330, 1908756360, 2099631996, 2332924440, 2624539995, 2999474280, 3499386660, 4199263992, 5249079990, 6998773320, 10498159980, 20996319960]

約数ペア:

[(1, 20996319960), (2, 10498159980), (3, 6998773320), (4, 5249079990), (5, 4199263992), (6, 3499386660), (7, 2999474280), (8, 2624539995), (9, 2332924440), (10, 2099631996), (11, 1908756360), (12, 1749693330), (14, 1499737140), (15, 1399754664), (18, 1166462220), (20, 1049815998), (21, 999824760), (22, 954378180), (24, 874846665), (27, 777641480), (28, 749868570), (30, 699877332), (33, 636252120), (35, 599894856), (36, 583231110), (40, 524907999), (42, 499912380), (44, 477189090), (45, 466584888), (54, 388820740), (55, 381751272), (56, 374934285), (60, 349938666), (63, 333274920), (66, 318126060), (70, 299947428), (72, 291615555), (77, 272679480), (84, 249956190), (88, 238594545), (90, 233292444), (99, 212084040), (105, 199964952), (108, 194410370), (110, 190875636), (120, 174969333), (126, 166637460), (132, 159063030), (135, 155528296), (140, 149973714), (154, 136339740), (165, 127250424), (168, 124978095), (180, 116646222), (189, 111091640), (198, 106042020), (210, 99982476), (216, 97205185), (220, 95437818), (231, 90893160), (252, 83318730), (264, 79531515), (270, 77764148), (280, 74986857), (297, 70694680), (308, 68169870), (315, 66654984), (330, 63625212), (360, 58323111), (378, 55545820), (385, 54535896), (396, 53021010), (420, 49991238), (440, 47718909), (462, 45446580), (495, 42416808), (504, 41659365), (540, 38882074), (594, 35347340), (616, 34084935), (630, 33327492), (660, 31812606), (693, 30297720), (756, 27772910), (770, 27267948), (792, 26510505), (840, 24995619), (924, 22723290), (945, 22218328), (990, 21208404), (1080, 19441037), (1155, 18178632), (1188, 17673670), (1260, 16663746), (1320, 15906303), (1386, 15148860), (1485, 14138936), (1512, 13886455), (1540, 13633974), (1848, 11361645), (1890, 11109164), (1980, 10604202), (2079, 10099240), (2310, 9089316), (2376, 8836835), (2520, 8331873), (2772, 7574430), (2970, 7069468), (3080, 6816987), (3465, 6059544), (3780, 5554582), (3960, 5302101), (4158, 5049620), (4620, 4544658), (5544, 3787215), (5940, 3534734), (6930, 3029772), (7560, 2777291), (8316, 2524810), (9240, 2272329), (10395, 2019848), (11880, 1767367), (13860, 1514886), (16632, 1262405), (20790, 1009924), (27720, 757443), (41580, 504962), (83160, 252481)]