20198912032

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:879

約数の個数: 192

約数和(自身を含む): 47294604000

約数和(自身を除く): 27095691968

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 29, 32, 34, 52, 58, 68, 104, 116, 136, 149, 208, 221, 232, 272, 298, 377, 416, 442, 464, 493, 544, 596, 661, 754, 884, 928, 986, 1192, 1322, 1508, 1768, 1937, 1972, 2384, 2533, 2644, 3016, 3536, 3874, 3944, 4321, 4768, 5066, 5288, 6032, 6409, 7072, 7748, 7888, 8593, 8642, 10132, 10576, 11237, 12064, 12818, 15496, 15776, 17186, 17284, 19169, 20264, 21152, 22474, 25636, 30992, 32929, 34372, 34568, 38338, 40528, 44948, 51272, 56173, 61984, 65858, 68744, 69136, 73457, 76676, 81056, 89896, 98489, 102544, 112346, 131716, 137488, 138272, 146081, 146914, 153352, 179792, 196978, 205088, 224692, 249197, 263432, 274976, 292162, 293828, 306704, 325873, 359584, 393956, 449384, 498394, 526864, 584324, 587656, 613408, 651746, 787912, 898768, 954941, 996788, 1053728, 1168648, 1175312, 1280357, 1303492, 1575824, 1674313, 1797536, 1909882, 1993576, 2337296, 2350624, 2560714, 2606984, 2856181, 3151648, 3348626, 3819764, 3987152, 4236349, 4674592, 5121428, 5213968, 5712362, 6697252, 7639528, 7974304, 8472698, 10242856, 10427936, 11424724, 13394504, 15279056, 16945396, 20485712, 21766069, 22849448, 26789008, 30558112, 33890792, 37130353, 40971424, 43532138, 45698896, 48555077, 53578016, 67781584, 74260706, 87064276, 91397792, 97110154, 135563168, 148521412, 174128552, 194220308, 297042824, 348257104, 388440616, 594085648, 631216001, 696514208, 776881232, 1188171296, 1262432002, 1553762464, 2524864004, 5049728008, 10099456016, 20198912032]

約数ペア:

[(1, 20198912032), (2, 10099456016), (4, 5049728008), (8, 2524864004), (13, 1553762464), (16, 1262432002), (17, 1188171296), (26, 776881232), (29, 696514208), (32, 631216001), (34, 594085648), (52, 388440616), (58, 348257104), (68, 297042824), (104, 194220308), (116, 174128552), (136, 148521412), (149, 135563168), (208, 97110154), (221, 91397792), (232, 87064276), (272, 74260706), (298, 67781584), (377, 53578016), (416, 48555077), (442, 45698896), (464, 43532138), (493, 40971424), (544, 37130353), (596, 33890792), (661, 30558112), (754, 26789008), (884, 22849448), (928, 21766069), (986, 20485712), (1192, 16945396), (1322, 15279056), (1508, 13394504), (1768, 11424724), (1937, 10427936), (1972, 10242856), (2384, 8472698), (2533, 7974304), (2644, 7639528), (3016, 6697252), (3536, 5712362), (3874, 5213968), (3944, 5121428), (4321, 4674592), (4768, 4236349), (5066, 3987152), (5288, 3819764), (6032, 3348626), (6409, 3151648), (7072, 2856181), (7748, 2606984), (7888, 2560714), (8593, 2350624), (8642, 2337296), (10132, 1993576), (10576, 1909882), (11237, 1797536), (12064, 1674313), (12818, 1575824), (15496, 1303492), (15776, 1280357), (17186, 1175312), (17284, 1168648), (19169, 1053728), (20264, 996788), (21152, 954941), (22474, 898768), (25636, 787912), (30992, 651746), (32929, 613408), (34372, 587656), (34568, 584324), (38338, 526864), (40528, 498394), (44948, 449384), (51272, 393956), (56173, 359584), (61984, 325873), (65858, 306704), (68744, 293828), (69136, 292162), (73457, 274976), (76676, 263432), (81056, 249197), (89896, 224692), (98489, 205088), (102544, 196978), (112346, 179792), (131716, 153352), (137488, 146914), (138272, 146081)]