20273943040

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^2\times {\mathrm{46861}}^1$

素因数の和:46910

約数の個数: 120

約数和(自身を含む): 52637928948

約数和(自身を除く): 32363985908

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 256, 260, 320, 338, 416, 512, 520, 640, 676, 832, 845, 1040, 1280, 1352, 1664, 1690, 2080, 2560, 2704, 3328, 3380, 4160, 5408, 6656, 6760, 8320, 10816, 13520, 16640, 21632, 27040, 33280, 43264, 46861, 54080, 86528, 93722, 108160, 187444, 216320, 234305, 374888, 432640, 468610, 609193, 749776, 937220, 1218386, 1499552, 1874440, 2436772, 2999104, 3045965, 3748880, 4873544, 5998208, 6091930, 7497760, 7919509, 9747088, 11996416, 12183860, 14995520, 15839018, 19494176, 23992832, 24367720, 29991040, 31678036, 38988352, 39597545, 48735440, 59982080, 63356072, 77976704, 79195090, 97470880, 119964160, 126712144, 155953408, 158390180, 194941760, 253424288, 311906816, 316780360, 389883520, 506848576, 633560720, 779767040, 1013697152, 1267121440, 1559534080, 2027394304, 2534242880, 4054788608, 5068485760, 10136971520, 20273943040]

約数ペア:

[(1, 20273943040), (2, 10136971520), (4, 5068485760), (5, 4054788608), (8, 2534242880), (10, 2027394304), (13, 1559534080), (16, 1267121440), (20, 1013697152), (26, 779767040), (32, 633560720), (40, 506848576), (52, 389883520), (64, 316780360), (65, 311906816), (80, 253424288), (104, 194941760), (128, 158390180), (130, 155953408), (160, 126712144), (169, 119964160), (208, 97470880), (256, 79195090), (260, 77976704), (320, 63356072), (338, 59982080), (416, 48735440), (512, 39597545), (520, 38988352), (640, 31678036), (676, 29991040), (832, 24367720), (845, 23992832), (1040, 19494176), (1280, 15839018), (1352, 14995520), (1664, 12183860), (1690, 11996416), (2080, 9747088), (2560, 7919509), (2704, 7497760), (3328, 6091930), (3380, 5998208), (4160, 4873544), (5408, 3748880), (6656, 3045965), (6760, 2999104), (8320, 2436772), (10816, 1874440), (13520, 1499552), (16640, 1218386), (21632, 937220), (27040, 749776), (33280, 609193), (43264, 468610), (46861, 432640), (54080, 374888), (86528, 234305), (93722, 216320), (108160, 187444)]