20802317508

素因数分解:

$2^2\times 3^3\times 7^3\times {\mathrm{409}}^1\times {\mathrm{1373}}^1$

素因数の和:1816

約数の個数: 192

約数和(自身を含む): 63094080000

約数和(自身を除く): 42291762492

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 343, 378, 409, 441, 588, 686, 756, 818, 882, 1029, 1227, 1323, 1372, 1373, 1636, 1764, 2058, 2454, 2646, 2746, 2863, 3087, 3681, 4116, 4119, 4908, 5292, 5492, 5726, 6174, 7362, 8238, 8589, 9261, 9611, 11043, 11452, 12348, 12357, 14724, 16476, 17178, 18522, 19222, 20041, 22086, 24714, 25767, 28833, 34356, 37044, 37071, 38444, 40082, 44172, 49428, 51534, 57666, 60123, 67277, 74142, 77301, 80164, 86499, 103068, 115332, 120246, 134554, 140287, 148284, 154602, 172998, 180369, 201831, 240492, 259497, 269108, 280574, 309204, 345996, 360738, 403662, 420861, 470939, 518994, 541107, 561148, 561557, 605493, 721476, 807324, 841722, 941878, 1037988, 1082214, 1123114, 1210986, 1262583, 1412817, 1683444, 1684671, 1816479, 1883756, 2164428, 2246228, 2421972, 2525166, 2825634, 3369342, 3632958, 3787749, 3930899, 4238451, 5050332, 5054013, 5651268, 6738684, 7265916, 7575498, 7861798, 8476902, 10108026, 11792697, 12715353, 15150996, 15162039, 15723596, 16953804, 20216052, 23585394, 25430706, 27516293, 30324078, 35378091, 47170788, 50861412, 55032586, 60648156, 70756182, 82548879, 106134273, 110065172, 141512364, 165097758, 192614051, 212268546, 247646637, 330195516, 385228102, 424537092, 495293274, 577842153, 742939911, 770456204, 990586548, 1155684306, 1485879822, 1733526459, 2311368612, 2971759644, 3467052918, 5200579377, 6934105836, 10401158754, 20802317508]

約数ペア:

[(1, 20802317508), (2, 10401158754), (3, 6934105836), (4, 5200579377), (6, 3467052918), (7, 2971759644), (9, 2311368612), (12, 1733526459), (14, 1485879822), (18, 1155684306), (21, 990586548), (27, 770456204), (28, 742939911), (36, 577842153), (42, 495293274), (49, 424537092), (54, 385228102), (63, 330195516), (84, 247646637), (98, 212268546), (108, 192614051), (126, 165097758), (147, 141512364), (189, 110065172), (196, 106134273), (252, 82548879), (294, 70756182), (343, 60648156), (378, 55032586), (409, 50861412), (441, 47170788), (588, 35378091), (686, 30324078), (756, 27516293), (818, 25430706), (882, 23585394), (1029, 20216052), (1227, 16953804), (1323, 15723596), (1372, 15162039), (1373, 15150996), (1636, 12715353), (1764, 11792697), (2058, 10108026), (2454, 8476902), (2646, 7861798), (2746, 7575498), (2863, 7265916), (3087, 6738684), (3681, 5651268), (4116, 5054013), (4119, 5050332), (4908, 4238451), (5292, 3930899), (5492, 3787749), (5726, 3632958), (6174, 3369342), (7362, 2825634), (8238, 2525166), (8589, 2421972), (9261, 2246228), (9611, 2164428), (11043, 1883756), (11452, 1816479), (12348, 1684671), (12357, 1683444), (14724, 1412817), (16476, 1262583), (17178, 1210986), (18522, 1123114), (19222, 1082214), (20041, 1037988), (22086, 941878), (24714, 841722), (25767, 807324), (28833, 721476), (34356, 605493), (37044, 561557), (37071, 561148), (38444, 541107), (40082, 518994), (44172, 470939), (49428, 420861), (51534, 403662), (57666, 360738), (60123, 345996), (67277, 309204), (74142, 280574), (77301, 269108), (80164, 259497), (86499, 240492), (103068, 201831), (115332, 180369), (120246, 172998), (134554, 154602), (140287, 148284)]