20346047360

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{17971}}^1$

素因数の和:18080

約数の個数: 128

約数和(自身を含む): 51144717600

約数和(自身を除く): 30798670240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 61, 64, 80, 116, 122, 128, 145, 160, 232, 244, 290, 305, 320, 464, 488, 580, 610, 640, 928, 976, 1160, 1220, 1769, 1856, 1952, 2320, 2440, 3538, 3712, 3904, 4640, 4880, 7076, 7808, 8845, 9280, 9760, 14152, 17690, 17971, 18560, 19520, 28304, 35380, 35942, 39040, 56608, 70760, 71884, 89855, 113216, 141520, 143768, 179710, 226432, 283040, 287536, 359420, 521159, 566080, 575072, 718840, 1042318, 1096231, 1132160, 1150144, 1437680, 2084636, 2192462, 2300288, 2605795, 2875360, 4169272, 4384924, 5211590, 5481155, 5750720, 8338544, 8769848, 10423180, 10962310, 11501440, 16677088, 17539696, 20846360, 21924620, 31790699, 33354176, 35079392, 41692720, 43849240, 63581398, 66708352, 70158784, 83385440, 87698480, 127162796, 140317568, 158953495, 166770880, 175396960, 254325592, 317906990, 333541760, 350793920, 508651184, 635813980, 701587840, 1017302368, 1271627960, 2034604736, 2543255920, 4069209472, 5086511840, 10173023680, 20346047360]

約数ペア:

[(1, 20346047360), (2, 10173023680), (4, 5086511840), (5, 4069209472), (8, 2543255920), (10, 2034604736), (16, 1271627960), (20, 1017302368), (29, 701587840), (32, 635813980), (40, 508651184), (58, 350793920), (61, 333541760), (64, 317906990), (80, 254325592), (116, 175396960), (122, 166770880), (128, 158953495), (145, 140317568), (160, 127162796), (232, 87698480), (244, 83385440), (290, 70158784), (305, 66708352), (320, 63581398), (464, 43849240), (488, 41692720), (580, 35079392), (610, 33354176), (640, 31790699), (928, 21924620), (976, 20846360), (1160, 17539696), (1220, 16677088), (1769, 11501440), (1856, 10962310), (1952, 10423180), (2320, 8769848), (2440, 8338544), (3538, 5750720), (3712, 5481155), (3904, 5211590), (4640, 4384924), (4880, 4169272), (7076, 2875360), (7808, 2605795), (8845, 2300288), (9280, 2192462), (9760, 2084636), (14152, 1437680), (17690, 1150144), (17971, 1132160), (18560, 1096231), (19520, 1042318), (28304, 718840), (35380, 575072), (35942, 566080), (39040, 521159), (56608, 359420), (70760, 287536), (71884, 283040), (89855, 226432), (113216, 179710), (141520, 143768)]