20197051552

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1\times {\mathrm{2381}}^1$

素因数の和:2942

約数の個数: 96

約数和(自身を含む): 43564760064

約数和(自身を除く): 23367708512

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 124, 136, 248, 272, 496, 503, 527, 544, 992, 1006, 1054, 2012, 2108, 2381, 4024, 4216, 4762, 8048, 8432, 8551, 9524, 15593, 16096, 16864, 17102, 19048, 31186, 34204, 38096, 40477, 62372, 68408, 73811, 76192, 80954, 124744, 136816, 147622, 161908, 249488, 265081, 273632, 295244, 323816, 498976, 530162, 590488, 647632, 1060324, 1180976, 1197643, 1254787, 1295264, 2120648, 2361952, 2395286, 2509574, 4241296, 4790572, 5019148, 8482592, 9581144, 10038296, 19162288, 20076592, 20359931, 37126933, 38324576, 40153184, 40719862, 74253866, 81439724, 148507732, 162879448, 297015464, 325758896, 594030928, 631157861, 651517792, 1188061856, 1262315722, 2524631444, 5049262888, 10098525776, 20197051552]

約数ペア:

[(1, 20197051552), (2, 10098525776), (4, 5049262888), (8, 2524631444), (16, 1262315722), (17, 1188061856), (31, 651517792), (32, 631157861), (34, 594030928), (62, 325758896), (68, 297015464), (124, 162879448), (136, 148507732), (248, 81439724), (272, 74253866), (496, 40719862), (503, 40153184), (527, 38324576), (544, 37126933), (992, 20359931), (1006, 20076592), (1054, 19162288), (2012, 10038296), (2108, 9581144), (2381, 8482592), (4024, 5019148), (4216, 4790572), (4762, 4241296), (8048, 2509574), (8432, 2395286), (8551, 2361952), (9524, 2120648), (15593, 1295264), (16096, 1254787), (16864, 1197643), (17102, 1180976), (19048, 1060324), (31186, 647632), (34204, 590488), (38096, 530162), (40477, 498976), (62372, 323816), (68408, 295244), (73811, 273632), (76192, 265081), (80954, 249488), (124744, 161908), (136816, 147622)]