20971544576

素因数分解:

$2^{13}\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2011}}^1$

素因数の和:2123

約数の個数: 112

約数和(自身を含む): 44829130560

約数和(自身を除く): 23857585984

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 67, 76, 128, 134, 152, 256, 268, 304, 512, 536, 608, 1024, 1072, 1216, 1273, 2011, 2048, 2144, 2432, 2546, 4022, 4096, 4288, 4864, 5092, 8044, 8192, 8576, 9728, 10184, 16088, 17152, 19456, 20368, 32176, 34304, 38209, 38912, 40736, 64352, 68608, 76418, 77824, 81472, 128704, 134737, 137216, 152836, 155648, 162944, 257408, 269474, 274432, 305672, 325888, 514816, 538948, 548864, 611344, 651776, 1029632, 1077896, 1222688, 1303552, 2059264, 2155792, 2445376, 2560003, 2607104, 4118528, 4311584, 4890752, 5120006, 5214208, 8237056, 8623168, 9781504, 10240012, 10428416, 16474112, 17246336, 19563008, 20480024, 34492672, 39126016, 40960048, 68985344, 78252032, 81920096, 137970688, 156504064, 163840192, 275941376, 313008128, 327680384, 551882752, 655360768, 1103765504, 1310721536, 2621443072, 5242886144, 10485772288, 20971544576]

約数ペア:

[(1, 20971544576), (2, 10485772288), (4, 5242886144), (8, 2621443072), (16, 1310721536), (19, 1103765504), (32, 655360768), (38, 551882752), (64, 327680384), (67, 313008128), (76, 275941376), (128, 163840192), (134, 156504064), (152, 137970688), (256, 81920096), (268, 78252032), (304, 68985344), (512, 40960048), (536, 39126016), (608, 34492672), (1024, 20480024), (1072, 19563008), (1216, 17246336), (1273, 16474112), (2011, 10428416), (2048, 10240012), (2144, 9781504), (2432, 8623168), (2546, 8237056), (4022, 5214208), (4096, 5120006), (4288, 4890752), (4864, 4311584), (5092, 4118528), (8044, 2607104), (8192, 2560003), (8576, 2445376), (9728, 2155792), (10184, 2059264), (16088, 1303552), (17152, 1222688), (19456, 1077896), (20368, 1029632), (32176, 651776), (34304, 611344), (38209, 548864), (38912, 538948), (40736, 514816), (64352, 325888), (68608, 305672), (76418, 274432), (77824, 269474), (81472, 257408), (128704, 162944), (134737, 155648), (137216, 152836)]