20381438784

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{1381}}^1$

素因数の和:1621

約数の個数: 224

約数和(自身を含む): 62904217600

約数和(自身を除く): 42522778816

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 79, 84, 96, 112, 139, 158, 168, 192, 224, 237, 278, 316, 336, 417, 448, 474, 553, 556, 632, 672, 834, 948, 973, 1106, 1112, 1264, 1344, 1381, 1659, 1668, 1896, 1946, 2212, 2224, 2528, 2762, 2919, 3318, 3336, 3792, 3892, 4143, 4424, 4448, 5056, 5524, 5838, 6636, 6672, 7584, 7784, 8286, 8848, 8896, 9667, 10981, 11048, 11676, 13272, 13344, 15168, 15568, 16572, 17696, 19334, 21962, 22096, 23352, 26544, 26688, 29001, 31136, 32943, 33144, 35392, 38668, 43924, 44192, 46704, 53088, 58002, 62272, 65886, 66288, 76867, 77336, 87848, 88384, 93408, 106176, 109099, 116004, 131772, 132576, 153734, 154672, 175696, 186816, 191959, 218198, 230601, 232008, 263544, 265152, 307468, 309344, 327297, 351392, 383918, 436396, 461202, 464016, 527088, 575877, 614936, 618688, 654594, 702784, 763693, 767836, 872792, 922404, 928032, 1054176, 1151754, 1229872, 1309188, 1343713, 1527386, 1535672, 1745584, 1844808, 1856064, 2108352, 2291079, 2303508, 2459744, 2618376, 2687426, 3054772, 3071344, 3491168, 3689616, 4031139, 4582158, 4607016, 4919488, 5236752, 5374852, 6109544, 6142688, 6982336, 7379232, 8062278, 9164316, 9214032, 10473504, 10749704, 12219088, 12285376, 14758464, 15164761, 16124556, 18328632, 18428064, 20947008, 21499408, 24438176, 30329522, 32249112, 36657264, 36856128, 42998816, 45494283, 48876352, 60659044, 64498224, 73314528, 85997632, 90988566, 106153327, 121318088, 128996448, 146629056, 181977132, 212306654, 242636176, 257992896, 318459981, 363954264, 424613308, 485272352, 636919962, 727908528, 849226616, 970544704, 1273839924, 1455817056, 1698453232, 2547679848, 2911634112, 3396906464, 5095359696, 6793812928, 10190719392, 20381438784]

約数ペア:

[(1, 20381438784), (2, 10190719392), (3, 6793812928), (4, 5095359696), (6, 3396906464), (7, 2911634112), (8, 2547679848), (12, 1698453232), (14, 1455817056), (16, 1273839924), (21, 970544704), (24, 849226616), (28, 727908528), (32, 636919962), (42, 485272352), (48, 424613308), (56, 363954264), (64, 318459981), (79, 257992896), (84, 242636176), (96, 212306654), (112, 181977132), (139, 146629056), (158, 128996448), (168, 121318088), (192, 106153327), (224, 90988566), (237, 85997632), (278, 73314528), (316, 64498224), (336, 60659044), (417, 48876352), (448, 45494283), (474, 42998816), (553, 36856128), (556, 36657264), (632, 32249112), (672, 30329522), (834, 24438176), (948, 21499408), (973, 20947008), (1106, 18428064), (1112, 18328632), (1264, 16124556), (1344, 15164761), (1381, 14758464), (1659, 12285376), (1668, 12219088), (1896, 10749704), (1946, 10473504), (2212, 9214032), (2224, 9164316), (2528, 8062278), (2762, 7379232), (2919, 6982336), (3318, 6142688), (3336, 6109544), (3792, 5374852), (3892, 5236752), (4143, 4919488), (4424, 4607016), (4448, 4582158), (5056, 4031139), (5524, 3689616), (5838, 3491168), (6636, 3071344), (6672, 3054772), (7584, 2687426), (7784, 2618376), (8286, 2459744), (8848, 2303508), (8896, 2291079), (9667, 2108352), (10981, 1856064), (11048, 1844808), (11676, 1745584), (13272, 1535672), (13344, 1527386), (15168, 1343713), (15568, 1309188), (16572, 1229872), (17696, 1151754), (19334, 1054176), (21962, 928032), (22096, 922404), (23352, 872792), (26544, 767836), (26688, 763693), (29001, 702784), (31136, 654594), (32943, 618688), (33144, 614936), (35392, 575877), (38668, 527088), (43924, 464016), (44192, 461202), (46704, 436396), (53088, 383918), (58002, 351392), (62272, 327297), (65886, 309344), (66288, 307468), (76867, 265152), (77336, 263544), (87848, 232008), (88384, 230601), (93408, 218198), (106176, 191959), (109099, 186816), (116004, 175696), (131772, 154672), (132576, 153734)]