20121089152

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1\times {\mathrm{367}}^1$

素因数の和:790

約数の個数: 128

約数和(自身を含む): 42628884480

約数和(自身を除く): 22507795328

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 64, 82, 124, 128, 164, 248, 328, 337, 367, 496, 656, 674, 734, 992, 1271, 1312, 1348, 1468, 1984, 2542, 2624, 2696, 2936, 3968, 5084, 5248, 5392, 5872, 10168, 10447, 10784, 11377, 11744, 13817, 15047, 20336, 20894, 21568, 22754, 23488, 27634, 30094, 40672, 41788, 43136, 45508, 46976, 55268, 60188, 81344, 83576, 91016, 110536, 120376, 123679, 162688, 167152, 182032, 221072, 240752, 247358, 334304, 364064, 428327, 442144, 466457, 481504, 494716, 668608, 728128, 856654, 884288, 932914, 963008, 989432, 1337216, 1456256, 1713308, 1768576, 1865828, 1926016, 1978864, 3426616, 3731656, 3834049, 3957728, 5070839, 6853232, 7463312, 7668098, 7915456, 10141678, 13706464, 14926624, 15336196, 15830912, 20283356, 27412928, 29853248, 30672392, 40566712, 54825856, 59706496, 61344784, 81133424, 122689568, 157196009, 162266848, 245379136, 314392018, 324533696, 490758272, 628784036, 649067392, 1257568072, 2515136144, 5030272288, 10060544576, 20121089152]

約数ペア:

[(1, 20121089152), (2, 10060544576), (4, 5030272288), (8, 2515136144), (16, 1257568072), (31, 649067392), (32, 628784036), (41, 490758272), (62, 324533696), (64, 314392018), (82, 245379136), (124, 162266848), (128, 157196009), (164, 122689568), (248, 81133424), (328, 61344784), (337, 59706496), (367, 54825856), (496, 40566712), (656, 30672392), (674, 29853248), (734, 27412928), (992, 20283356), (1271, 15830912), (1312, 15336196), (1348, 14926624), (1468, 13706464), (1984, 10141678), (2542, 7915456), (2624, 7668098), (2696, 7463312), (2936, 6853232), (3968, 5070839), (5084, 3957728), (5248, 3834049), (5392, 3731656), (5872, 3426616), (10168, 1978864), (10447, 1926016), (10784, 1865828), (11377, 1768576), (11744, 1713308), (13817, 1456256), (15047, 1337216), (20336, 989432), (20894, 963008), (21568, 932914), (22754, 884288), (23488, 856654), (27634, 728128), (30094, 668608), (40672, 494716), (41788, 481504), (43136, 466457), (45508, 442144), (46976, 428327), (55268, 364064), (60188, 334304), (81344, 247358), (83576, 240752), (91016, 221072), (110536, 182032), (120376, 167152), (123679, 162688)]