20443360688

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:264

約数の個数: 180

約数和(自身を含む): 45036760320

約数和(自身を除く): 24593399632

約数列:

[1, 2, 4, 8, 16, 19, 29, 31, 38, 58, 62, 76, 116, 124, 127, 152, 232, 248, 254, 304, 361, 464, 496, 508, 551, 589, 722, 899, 961, 1016, 1102, 1178, 1444, 1798, 1922, 2032, 2204, 2356, 2413, 2888, 3596, 3683, 3844, 3937, 4408, 4712, 4826, 5776, 7192, 7366, 7688, 7874, 8816, 9424, 9652, 10469, 11191, 14384, 14732, 15376, 15748, 17081, 18259, 19304, 20938, 22382, 27869, 29464, 31496, 34162, 36518, 38608, 41876, 44764, 45847, 55738, 58928, 62992, 68324, 69977, 73036, 74803, 83752, 89528, 91694, 111476, 114173, 122047, 136648, 139954, 146072, 149606, 167504, 179056, 183388, 222952, 228346, 244094, 273296, 279908, 292144, 299212, 324539, 346921, 366776, 445904, 456692, 488188, 529511, 559816, 598424, 649078, 693842, 733552, 913384, 976376, 1059022, 1119632, 1196848, 1298156, 1329563, 1387684, 1421257, 1826768, 1952752, 2118044, 2169287, 2318893, 2596312, 2659126, 2775368, 2842514, 3539363, 4236088, 4338574, 4637786, 5192624, 5318252, 5550736, 5685028, 7078726, 8472176, 8677148, 9275572, 10060709, 10636504, 11370056, 14157452, 17354296, 18551144, 20121418, 21273008, 22740112, 28314904, 34708592, 37102288, 40242836, 41216453, 44058967, 56629808, 67247897, 80485672, 82432906, 88117934, 134495794, 160971344, 164865812, 176235868, 268991588, 329731624, 352471736, 537983176, 659463248, 704943472, 1075966352, 1277710043, 2555420086, 5110840172, 10221680344, 20443360688]

約数ペア:

[(1, 20443360688), (2, 10221680344), (4, 5110840172), (8, 2555420086), (16, 1277710043), (19, 1075966352), (29, 704943472), (31, 659463248), (38, 537983176), (58, 352471736), (62, 329731624), (76, 268991588), (116, 176235868), (124, 164865812), (127, 160971344), (152, 134495794), (232, 88117934), (248, 82432906), (254, 80485672), (304, 67247897), (361, 56629808), (464, 44058967), (496, 41216453), (508, 40242836), (551, 37102288), (589, 34708592), (722, 28314904), (899, 22740112), (961, 21273008), (1016, 20121418), (1102, 18551144), (1178, 17354296), (1444, 14157452), (1798, 11370056), (1922, 10636504), (2032, 10060709), (2204, 9275572), (2356, 8677148), (2413, 8472176), (2888, 7078726), (3596, 5685028), (3683, 5550736), (3844, 5318252), (3937, 5192624), (4408, 4637786), (4712, 4338574), (4826, 4236088), (5776, 3539363), (7192, 2842514), (7366, 2775368), (7688, 2659126), (7874, 2596312), (8816, 2318893), (9424, 2169287), (9652, 2118044), (10469, 1952752), (11191, 1826768), (14384, 1421257), (14732, 1387684), (15376, 1329563), (15748, 1298156), (17081, 1196848), (18259, 1119632), (19304, 1059022), (20938, 976376), (22382, 913384), (27869, 733552), (29464, 693842), (31496, 649078), (34162, 598424), (36518, 559816), (38608, 529511), (41876, 488188), (44764, 456692), (45847, 445904), (55738, 366776), (58928, 346921), (62992, 324539), (68324, 299212), (69977, 292144), (73036, 279908), (74803, 273296), (83752, 244094), (89528, 228346), (91694, 222952), (111476, 183388), (114173, 179056), (122047, 167504), (136648, 149606), (139954, 146072)]