20778884352

素因数分解:

$2^8\times 3^2\times {\mathrm{31}}^1\times {\mathrm{290923}}^1$

素因数の和:290976

約数の個数: 108

約数和(自身を含む): 61843460224

約数和(自身を除く): 41064575872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 256, 279, 288, 372, 384, 496, 558, 576, 744, 768, 992, 1116, 1152, 1488, 1984, 2232, 2304, 2976, 3968, 4464, 5952, 7936, 8928, 11904, 17856, 23808, 35712, 71424, 290923, 581846, 872769, 1163692, 1745538, 2327384, 2618307, 3491076, 4654768, 5236614, 6982152, 9018613, 9309536, 10473228, 13964304, 18037226, 18619072, 20946456, 27055839, 27928608, 36074452, 37238144, 41892912, 54111678, 55857216, 72148904, 74476288, 81167517, 83785824, 108223356, 111714432, 144297808, 162335034, 167571648, 216446712, 223428864, 288595616, 324670068, 335143296, 432893424, 577191232, 649340136, 670286592, 865786848, 1154382464, 1298680272, 1731573696, 2308764928, 2597360544, 3463147392, 5194721088, 6926294784, 10389442176, 20778884352]

約数ペア:

[(1, 20778884352), (2, 10389442176), (3, 6926294784), (4, 5194721088), (6, 3463147392), (8, 2597360544), (9, 2308764928), (12, 1731573696), (16, 1298680272), (18, 1154382464), (24, 865786848), (31, 670286592), (32, 649340136), (36, 577191232), (48, 432893424), (62, 335143296), (64, 324670068), (72, 288595616), (93, 223428864), (96, 216446712), (124, 167571648), (128, 162335034), (144, 144297808), (186, 111714432), (192, 108223356), (248, 83785824), (256, 81167517), (279, 74476288), (288, 72148904), (372, 55857216), (384, 54111678), (496, 41892912), (558, 37238144), (576, 36074452), (744, 27928608), (768, 27055839), (992, 20946456), (1116, 18619072), (1152, 18037226), (1488, 13964304), (1984, 10473228), (2232, 9309536), (2304, 9018613), (2976, 6982152), (3968, 5236614), (4464, 4654768), (5952, 3491076), (7936, 2618307), (8928, 2327384), (11904, 1745538), (17856, 1163692), (23808, 872769), (35712, 581846), (71424, 290923)]