20285616

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 160

約数和(自身を含む): 62496000

約数和(自身を除く): 42210384

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 29, 38, 39, 48, 52, 57, 58, 59, 76, 78, 87, 104, 114, 116, 118, 152, 156, 174, 177, 208, 228, 232, 236, 247, 304, 312, 348, 354, 377, 456, 464, 472, 494, 551, 624, 696, 708, 741, 754, 767, 912, 944, 988, 1102, 1121, 1131, 1392, 1416, 1482, 1508, 1534, 1653, 1711, 1976, 2204, 2242, 2262, 2301, 2832, 2964, 3016, 3068, 3306, 3363, 3422, 3952, 4408, 4484, 4524, 4602, 5133, 5928, 6032, 6136, 6612, 6726, 6844, 7163, 8816, 8968, 9048, 9204, 10266, 11856, 12272, 13224, 13452, 13688, 14326, 14573, 17936, 18096, 18408, 20532, 21489, 22243, 26448, 26904, 27376, 28652, 29146, 32509, 36816, 41064, 42978, 43719, 44486, 53808, 57304, 58292, 65018, 66729, 82128, 85956, 87438, 88972, 97527, 114608, 116584, 130036, 133458, 171912, 174876, 177944, 195054, 233168, 260072, 266916, 343824, 349752, 355888, 390108, 422617, 520144, 533832, 699504, 780216, 845234, 1067664, 1267851, 1560432, 1690468, 2535702, 3380936, 5071404, 6761872, 10142808, 20285616]

約数ペア:

[(1, 20285616), (2, 10142808), (3, 6761872), (4, 5071404), (6, 3380936), (8, 2535702), (12, 1690468), (13, 1560432), (16, 1267851), (19, 1067664), (24, 845234), (26, 780216), (29, 699504), (38, 533832), (39, 520144), (48, 422617), (52, 390108), (57, 355888), (58, 349752), (59, 343824), (76, 266916), (78, 260072), (87, 233168), (104, 195054), (114, 177944), (116, 174876), (118, 171912), (152, 133458), (156, 130036), (174, 116584), (177, 114608), (208, 97527), (228, 88972), (232, 87438), (236, 85956), (247, 82128), (304, 66729), (312, 65018), (348, 58292), (354, 57304), (377, 53808), (456, 44486), (464, 43719), (472, 42978), (494, 41064), (551, 36816), (624, 32509), (696, 29146), (708, 28652), (741, 27376), (754, 26904), (767, 26448), (912, 22243), (944, 21489), (988, 20532), (1102, 18408), (1121, 18096), (1131, 17936), (1392, 14573), (1416, 14326), (1482, 13688), (1508, 13452), (1534, 13224), (1653, 12272), (1711, 11856), (1976, 10266), (2204, 9204), (2242, 9048), (2262, 8968), (2301, 8816), (2832, 7163), (2964, 6844), (3016, 6726), (3068, 6612), (3306, 6136), (3363, 6032), (3422, 5928), (3952, 5133), (4408, 4602), (4484, 4524)]