20295217728

素因数分解:

$2^6\times 3^2\times {\mathrm{127}}^1\times {\mathrm{421}}^1\times {\mathrm{659}}^1$

素因数の和:1225

約数の個数: 168

約数和(自身を含む): 58859074560

約数和(自身を除く): 38563856832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 127, 144, 192, 254, 288, 381, 421, 508, 576, 659, 762, 842, 1016, 1143, 1263, 1318, 1524, 1684, 1977, 2032, 2286, 2526, 2636, 3048, 3368, 3789, 3954, 4064, 4572, 5052, 5272, 5931, 6096, 6736, 7578, 7908, 8128, 9144, 10104, 10544, 11862, 12192, 13472, 15156, 15816, 18288, 20208, 21088, 23724, 24384, 26944, 30312, 31632, 36576, 40416, 42176, 47448, 53467, 60624, 63264, 73152, 80832, 83693, 94896, 106934, 121248, 126528, 160401, 167386, 189792, 213868, 242496, 251079, 277439, 320802, 334772, 379584, 427736, 481203, 502158, 554878, 641604, 669544, 753237, 832317, 855472, 962406, 1004316, 1109756, 1283208, 1339088, 1506474, 1664634, 1710944, 1924812, 2008632, 2219512, 2496951, 2566416, 2678176, 3012948, 3329268, 3421888, 3849624, 4017264, 4439024, 4993902, 5132832, 5356352, 6025896, 6658536, 7699248, 8034528, 8878048, 9987804, 10265664, 12051792, 13317072, 15398496, 16069056, 17756096, 19975608, 24103584, 26634144, 30796992, 35234753, 39951216, 48207168, 53268288, 70469506, 79902432, 105704259, 140939012, 159804864, 211408518, 281878024, 317112777, 422817036, 563756048, 634225554, 845634072, 1127512096, 1268451108, 1691268144, 2255024192, 2536902216, 3382536288, 5073804432, 6765072576, 10147608864, 20295217728]

約数ペア:

[(1, 20295217728), (2, 10147608864), (3, 6765072576), (4, 5073804432), (6, 3382536288), (8, 2536902216), (9, 2255024192), (12, 1691268144), (16, 1268451108), (18, 1127512096), (24, 845634072), (32, 634225554), (36, 563756048), (48, 422817036), (64, 317112777), (72, 281878024), (96, 211408518), (127, 159804864), (144, 140939012), (192, 105704259), (254, 79902432), (288, 70469506), (381, 53268288), (421, 48207168), (508, 39951216), (576, 35234753), (659, 30796992), (762, 26634144), (842, 24103584), (1016, 19975608), (1143, 17756096), (1263, 16069056), (1318, 15398496), (1524, 13317072), (1684, 12051792), (1977, 10265664), (2032, 9987804), (2286, 8878048), (2526, 8034528), (2636, 7699248), (3048, 6658536), (3368, 6025896), (3789, 5356352), (3954, 5132832), (4064, 4993902), (4572, 4439024), (5052, 4017264), (5272, 3849624), (5931, 3421888), (6096, 3329268), (6736, 3012948), (7578, 2678176), (7908, 2566416), (8128, 2496951), (9144, 2219512), (10104, 2008632), (10544, 1924812), (11862, 1710944), (12192, 1664634), (13472, 1506474), (15156, 1339088), (15816, 1283208), (18288, 1109756), (20208, 1004316), (21088, 962406), (23724, 855472), (24384, 832317), (26944, 753237), (30312, 669544), (31632, 641604), (36576, 554878), (40416, 502158), (42176, 481203), (47448, 427736), (53467, 379584), (60624, 334772), (63264, 320802), (73152, 277439), (80832, 251079), (83693, 242496), (94896, 213868), (106934, 189792), (121248, 167386), (126528, 160401)]