20121008512

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{293}}^1$

素因数の和:505

約数の個数: 256

約数和(自身を含む): 49228300800

約数和(自身を除く): 29107292288

約数列:

[1, 2, 4, 8, 11, 16, 17, 19, 22, 32, 34, 38, 44, 64, 68, 76, 88, 128, 136, 151, 152, 176, 187, 209, 272, 293, 302, 304, 323, 352, 374, 418, 544, 586, 604, 608, 646, 704, 748, 836, 1088, 1172, 1208, 1216, 1292, 1408, 1496, 1661, 1672, 2176, 2344, 2416, 2432, 2567, 2584, 2869, 2992, 3223, 3322, 3344, 3553, 4688, 4832, 4981, 5134, 5168, 5567, 5738, 5984, 6446, 6644, 6688, 7106, 9376, 9664, 9962, 10268, 10336, 11134, 11476, 11968, 12892, 13288, 13376, 14212, 18752, 19328, 19924, 20536, 20672, 22268, 22952, 23936, 25784, 26576, 26752, 28237, 28424, 31559, 37504, 39848, 41072, 41344, 44243, 44536, 45904, 48773, 51568, 53152, 54791, 56474, 56848, 61237, 63118, 79696, 82144, 88486, 89072, 91808, 94639, 97546, 103136, 106304, 109582, 112948, 113696, 122474, 126236, 159392, 164288, 176972, 178144, 183616, 189278, 195092, 206272, 212608, 219164, 225896, 227392, 244948, 252472, 318784, 328576, 353944, 356288, 367232, 378556, 390184, 412544, 438328, 451792, 454784, 486673, 489896, 504944, 536503, 637568, 707888, 712576, 752131, 757112, 780368, 840617, 876656, 903584, 973346, 979792, 1009888, 1041029, 1073006, 1415776, 1504262, 1514224, 1560736, 1681234, 1753312, 1807168, 1946692, 1959584, 2019776, 2082058, 2146012, 2831552, 3008524, 3028448, 3121472, 3362468, 3506624, 3614336, 3893384, 3919168, 4039552, 4164116, 4292024, 5663104, 6017048, 6056896, 6242944, 6724936, 7013248, 7786768, 7838336, 8273441, 8328232, 8584048, 9246787, 12034096, 12113792, 13449872, 14290489, 15573536, 16546882, 16656464, 17168096, 18493574, 24068192, 26899744, 28580978, 31147072, 33093764, 33312928, 34336192, 36987148, 48136384, 53799488, 57161956, 62294144, 66187528, 66625856, 68672384, 73974296, 96272768, 107598976, 114323912, 132375056, 133251712, 147948592, 157195379, 228647824, 264750112, 295897184, 314390758, 457295648, 529500224, 591794368, 628781516, 914591296, 1059000448, 1183588736, 1257563032, 1829182592, 2515126064, 5030252128, 10060504256, 20121008512]

約数ペア:

[(1, 20121008512), (2, 10060504256), (4, 5030252128), (8, 2515126064), (11, 1829182592), (16, 1257563032), (17, 1183588736), (19, 1059000448), (22, 914591296), (32, 628781516), (34, 591794368), (38, 529500224), (44, 457295648), (64, 314390758), (68, 295897184), (76, 264750112), (88, 228647824), (128, 157195379), (136, 147948592), (151, 133251712), (152, 132375056), (176, 114323912), (187, 107598976), (209, 96272768), (272, 73974296), (293, 68672384), (302, 66625856), (304, 66187528), (323, 62294144), (352, 57161956), (374, 53799488), (418, 48136384), (544, 36987148), (586, 34336192), (604, 33312928), (608, 33093764), (646, 31147072), (704, 28580978), (748, 26899744), (836, 24068192), (1088, 18493574), (1172, 17168096), (1208, 16656464), (1216, 16546882), (1292, 15573536), (1408, 14290489), (1496, 13449872), (1661, 12113792), (1672, 12034096), (2176, 9246787), (2344, 8584048), (2416, 8328232), (2432, 8273441), (2567, 7838336), (2584, 7786768), (2869, 7013248), (2992, 6724936), (3223, 6242944), (3322, 6056896), (3344, 6017048), (3553, 5663104), (4688, 4292024), (4832, 4164116), (4981, 4039552), (5134, 3919168), (5168, 3893384), (5567, 3614336), (5738, 3506624), (5984, 3362468), (6446, 3121472), (6644, 3028448), (6688, 3008524), (7106, 2831552), (9376, 2146012), (9664, 2082058), (9962, 2019776), (10268, 1959584), (10336, 1946692), (11134, 1807168), (11476, 1753312), (11968, 1681234), (12892, 1560736), (13288, 1514224), (13376, 1504262), (14212, 1415776), (18752, 1073006), (19328, 1041029), (19924, 1009888), (20536, 979792), (20672, 973346), (22268, 903584), (22952, 876656), (23936, 840617), (25784, 780368), (26576, 757112), (26752, 752131), (28237, 712576), (28424, 707888), (31559, 637568), (37504, 536503), (39848, 504944), (41072, 489896), (41344, 486673), (44243, 454784), (44536, 451792), (45904, 438328), (48773, 412544), (51568, 390184), (53152, 378556), (54791, 367232), (56474, 356288), (56848, 353944), (61237, 328576), (63118, 318784), (79696, 252472), (82144, 244948), (88486, 227392), (89072, 225896), (91808, 219164), (94639, 212608), (97546, 206272), (103136, 195092), (106304, 189278), (109582, 183616), (112948, 178144), (113696, 176972), (122474, 164288), (126236, 159392)]