20603856

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 160

約数和(自身を含む): 67495680

約数和(自身を除く): 46891824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 53, 56, 78, 84, 89, 91, 104, 106, 112, 156, 159, 168, 178, 182, 208, 212, 267, 273, 312, 318, 336, 356, 364, 371, 424, 534, 546, 623, 624, 636, 689, 712, 728, 742, 848, 1068, 1092, 1113, 1157, 1246, 1272, 1378, 1424, 1456, 1484, 1869, 2067, 2136, 2184, 2226, 2314, 2492, 2544, 2756, 2968, 3471, 3738, 4134, 4272, 4368, 4452, 4628, 4717, 4823, 4984, 5512, 5936, 6942, 7476, 8099, 8268, 8904, 9256, 9434, 9646, 9968, 11024, 13884, 14151, 14469, 14952, 16198, 16536, 17808, 18512, 18868, 19292, 24297, 27768, 28302, 28938, 29904, 32396, 33019, 33072, 37736, 38584, 48594, 55536, 56604, 57876, 61321, 64792, 66038, 75472, 77168, 97188, 99057, 113208, 115752, 122642, 129584, 132076, 183963, 194376, 198114, 226416, 231504, 245284, 264152, 367926, 388752, 396228, 429247, 490568, 528304, 735852, 792456, 858494, 981136, 1287741, 1471704, 1584912, 1716988, 2575482, 2943408, 3433976, 5150964, 6867952, 10301928, 20603856]

約数ペア:

[(1, 20603856), (2, 10301928), (3, 6867952), (4, 5150964), (6, 3433976), (7, 2943408), (8, 2575482), (12, 1716988), (13, 1584912), (14, 1471704), (16, 1287741), (21, 981136), (24, 858494), (26, 792456), (28, 735852), (39, 528304), (42, 490568), (48, 429247), (52, 396228), (53, 388752), (56, 367926), (78, 264152), (84, 245284), (89, 231504), (91, 226416), (104, 198114), (106, 194376), (112, 183963), (156, 132076), (159, 129584), (168, 122642), (178, 115752), (182, 113208), (208, 99057), (212, 97188), (267, 77168), (273, 75472), (312, 66038), (318, 64792), (336, 61321), (356, 57876), (364, 56604), (371, 55536), (424, 48594), (534, 38584), (546, 37736), (623, 33072), (624, 33019), (636, 32396), (689, 29904), (712, 28938), (728, 28302), (742, 27768), (848, 24297), (1068, 19292), (1092, 18868), (1113, 18512), (1157, 17808), (1246, 16536), (1272, 16198), (1378, 14952), (1424, 14469), (1456, 14151), (1484, 13884), (1869, 11024), (2067, 9968), (2136, 9646), (2184, 9434), (2226, 9256), (2314, 8904), (2492, 8268), (2544, 8099), (2756, 7476), (2968, 6942), (3471, 5936), (3738, 5512), (4134, 4984), (4272, 4823), (4368, 4717), (4452, 4628)]