20218980090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:497

約数の個数: 256

約数和(自身を含む): 54941483520

約数和(自身を除く): 34722503430

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 29, 30, 34, 51, 58, 61, 73, 85, 87, 102, 122, 145, 146, 170, 174, 183, 219, 255, 290, 305, 307, 365, 366, 435, 438, 493, 510, 610, 614, 730, 870, 915, 921, 986, 1037, 1095, 1241, 1479, 1535, 1769, 1830, 1842, 2074, 2117, 2190, 2465, 2482, 2958, 3070, 3111, 3538, 3723, 4234, 4453, 4605, 4930, 5185, 5219, 5307, 6205, 6222, 6351, 7395, 7446, 8845, 8903, 8906, 9210, 10370, 10438, 10585, 10614, 12410, 12702, 13359, 14790, 15555, 15657, 17690, 17806, 18615, 18727, 21170, 22265, 22411, 26095, 26535, 26709, 26718, 30073, 31110, 31314, 31755, 35989, 37230, 37454, 44515, 44530, 44822, 52190, 53070, 53418, 56181, 60146, 63510, 66795, 67233, 71978, 75701, 78285, 89030, 90219, 93635, 107967, 112055, 112362, 129137, 133545, 133590, 134466, 150365, 151351, 151402, 156570, 179945, 180438, 187270, 215934, 224110, 227103, 258274, 267090, 280905, 300730, 302702, 318359, 336165, 359890, 378505, 380987, 387411, 451095, 454053, 454206, 539835, 543083, 561810, 636718, 645685, 649919, 672330, 756755, 757010, 761974, 774822, 902190, 908106, 955077, 1079670, 1086166, 1135515, 1142961, 1291370, 1299838, 1367071, 1513510, 1591795, 1629249, 1904935, 1910154, 1937055, 1949757, 2195329, 2270265, 2271030, 2285922, 2715415, 2734142, 3183590, 3249595, 3258498, 3809870, 3874110, 3899514, 4101213, 4390658, 4540530, 4775385, 5430830, 5714805, 6499190, 6585987, 6835355, 8146245, 8202426, 9232411, 9550770, 9748785, 10976645, 11048623, 11429610, 13171974, 13670710, 16292490, 18464822, 19497570, 20506065, 21953290, 22097246, 23240207, 27697233, 32929935, 33145869, 39645059, 41012130, 46162055, 46480414, 55243115, 55394466, 65859870, 66291738, 69720621, 79290118, 92324110, 110486230, 116201035, 118935177, 138486165, 139441242, 165729345, 198225295, 232402070, 237870354, 276972330, 331458690, 348603105, 396450590, 594675885, 673966003, 697206210, 1189351770, 1347932006, 2021898009, 3369830015, 4043796018, 6739660030, 10109490045, 20218980090]

約数ペア:

[(1, 20218980090), (2, 10109490045), (3, 6739660030), (5, 4043796018), (6, 3369830015), (10, 2021898009), (15, 1347932006), (17, 1189351770), (29, 697206210), (30, 673966003), (34, 594675885), (51, 396450590), (58, 348603105), (61, 331458690), (73, 276972330), (85, 237870354), (87, 232402070), (102, 198225295), (122, 165729345), (145, 139441242), (146, 138486165), (170, 118935177), (174, 116201035), (183, 110486230), (219, 92324110), (255, 79290118), (290, 69720621), (305, 66291738), (307, 65859870), (365, 55394466), (366, 55243115), (435, 46480414), (438, 46162055), (493, 41012130), (510, 39645059), (610, 33145869), (614, 32929935), (730, 27697233), (870, 23240207), (915, 22097246), (921, 21953290), (986, 20506065), (1037, 19497570), (1095, 18464822), (1241, 16292490), (1479, 13670710), (1535, 13171974), (1769, 11429610), (1830, 11048623), (1842, 10976645), (2074, 9748785), (2117, 9550770), (2190, 9232411), (2465, 8202426), (2482, 8146245), (2958, 6835355), (3070, 6585987), (3111, 6499190), (3538, 5714805), (3723, 5430830), (4234, 4775385), (4453, 4540530), (4605, 4390658), (4930, 4101213), (5185, 3899514), (5219, 3874110), (5307, 3809870), (6205, 3258498), (6222, 3249595), (6351, 3183590), (7395, 2734142), (7446, 2715415), (8845, 2285922), (8903, 2271030), (8906, 2270265), (9210, 2195329), (10370, 1949757), (10438, 1937055), (10585, 1910154), (10614, 1904935), (12410, 1629249), (12702, 1591795), (13359, 1513510), (14790, 1367071), (15555, 1299838), (15657, 1291370), (17690, 1142961), (17806, 1135515), (18615, 1086166), (18727, 1079670), (21170, 955077), (22265, 908106), (22411, 902190), (26095, 774822), (26535, 761974), (26709, 757010), (26718, 756755), (30073, 672330), (31110, 649919), (31314, 645685), (31755, 636718), (35989, 561810), (37230, 543083), (37454, 539835), (44515, 454206), (44530, 454053), (44822, 451095), (52190, 387411), (53070, 380987), (53418, 378505), (56181, 359890), (60146, 336165), (63510, 318359), (66795, 302702), (67233, 300730), (71978, 280905), (75701, 267090), (78285, 258274), (89030, 227103), (90219, 224110), (93635, 215934), (107967, 187270), (112055, 180438), (112362, 179945), (129137, 156570), (133545, 151402), (133590, 151351), (134466, 150365)]