20829121929

素因数分解:

$3^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:537

約数の個数: 192

約数和(自身を含む): 40447180800

約数和(自身を除く): 19618058871

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 47, 49, 63, 77, 93, 99, 141, 147, 217, 231, 279, 329, 341, 343, 421, 423, 441, 517, 539, 651, 693, 987, 1023, 1029, 1263, 1457, 1519, 1551, 1617, 1953, 2303, 2387, 2947, 2961, 3069, 3087, 3619, 3773, 3789, 4371, 4557, 4631, 4653, 4851, 6909, 7161, 8841, 10199, 10633, 10857, 11319, 13051, 13113, 13671, 13893, 16027, 16121, 16709, 19787, 20629, 20727, 21483, 25333, 26523, 30597, 31899, 32417, 32571, 33957, 39153, 41679, 48081, 48363, 50127, 59361, 61887, 71393, 75999, 91357, 91791, 95697, 97251, 112189, 116963, 117459, 138509, 143561, 144243, 144403, 145089, 150381, 177331, 178083, 185661, 214179, 217657, 226919, 227997, 274071, 291753, 336567, 350889, 415527, 430683, 433209, 499751, 531993, 613397, 639499, 642537, 652971, 680757, 785323, 822213, 969563, 1004927, 1009701, 1052667, 1246581, 1292049, 1299627, 1499253, 1523599, 1588433, 1595979, 1840191, 1918497, 1958913, 2042271, 2355969, 2908689, 3014781, 4293779, 4476493, 4497759, 4570797, 4765299, 5497261, 5520573, 5755491, 6747367, 6786941, 7034489, 7067907, 8726067, 9044343, 10665193, 12881337, 13429479, 13712391, 14295897, 16491783, 20242101, 20360823, 21103467, 30056453, 31995579, 38644011, 40288437, 47231569, 49241423, 49475349, 60726303, 61082469, 63310401, 74656351, 90169359, 95986737, 141694707, 147724269, 210395171, 223969053, 270508077, 330620983, 425084121, 443172807, 631185513, 671907159, 991862949, 1893556539, 2314346881, 2975588847, 6943040643, 20829121929]

約数ペア:

[(1, 20829121929), (3, 6943040643), (7, 2975588847), (9, 2314346881), (11, 1893556539), (21, 991862949), (31, 671907159), (33, 631185513), (47, 443172807), (49, 425084121), (63, 330620983), (77, 270508077), (93, 223969053), (99, 210395171), (141, 147724269), (147, 141694707), (217, 95986737), (231, 90169359), (279, 74656351), (329, 63310401), (341, 61082469), (343, 60726303), (421, 49475349), (423, 49241423), (441, 47231569), (517, 40288437), (539, 38644011), (651, 31995579), (693, 30056453), (987, 21103467), (1023, 20360823), (1029, 20242101), (1263, 16491783), (1457, 14295897), (1519, 13712391), (1551, 13429479), (1617, 12881337), (1953, 10665193), (2303, 9044343), (2387, 8726067), (2947, 7067907), (2961, 7034489), (3069, 6786941), (3087, 6747367), (3619, 5755491), (3773, 5520573), (3789, 5497261), (4371, 4765299), (4557, 4570797), (4631, 4497759), (4653, 4476493), (4851, 4293779), (6909, 3014781), (7161, 2908689), (8841, 2355969), (10199, 2042271), (10633, 1958913), (10857, 1918497), (11319, 1840191), (13051, 1595979), (13113, 1588433), (13671, 1523599), (13893, 1499253), (16027, 1299627), (16121, 1292049), (16709, 1246581), (19787, 1052667), (20629, 1009701), (20727, 1004927), (21483, 969563), (25333, 822213), (26523, 785323), (30597, 680757), (31899, 652971), (32417, 642537), (32571, 639499), (33957, 613397), (39153, 531993), (41679, 499751), (48081, 433209), (48363, 430683), (50127, 415527), (59361, 350889), (61887, 336567), (71393, 291753), (75999, 274071), (91357, 227997), (91791, 226919), (95697, 217657), (97251, 214179), (112189, 185661), (116963, 178083), (117459, 177331), (138509, 150381), (143561, 145089), (144243, 144403)]