20127156736

素因数分解:

$2^9\times {\mathrm{269}}^1\times {\mathrm{317}}^1\times {\mathrm{461}}^1$

素因数の和:1065

約数の個数: 80

約数和(自身を含む): 40579668360

約数和(自身を除く): 20452511624

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 269, 317, 461, 512, 538, 634, 922, 1076, 1268, 1844, 2152, 2536, 3688, 4304, 5072, 7376, 8608, 10144, 14752, 17216, 20288, 29504, 34432, 40576, 59008, 68864, 81152, 85273, 118016, 124009, 137728, 146137, 162304, 170546, 236032, 248018, 292274, 341092, 496036, 584548, 682184, 992072, 1169096, 1364368, 1984144, 2338192, 2728736, 3968288, 4676384, 5457472, 7936576, 9352768, 10914944, 15873152, 18705536, 21829888, 31746304, 37411072, 39310853, 43659776, 63492608, 74822144, 78621706, 157243412, 314486824, 628973648, 1257947296, 2515894592, 5031789184, 10063578368, 20127156736]

約数ペア:

[(1, 20127156736), (2, 10063578368), (4, 5031789184), (8, 2515894592), (16, 1257947296), (32, 628973648), (64, 314486824), (128, 157243412), (256, 78621706), (269, 74822144), (317, 63492608), (461, 43659776), (512, 39310853), (538, 37411072), (634, 31746304), (922, 21829888), (1076, 18705536), (1268, 15873152), (1844, 10914944), (2152, 9352768), (2536, 7936576), (3688, 5457472), (4304, 4676384), (5072, 3968288), (7376, 2728736), (8608, 2338192), (10144, 1984144), (14752, 1364368), (17216, 1169096), (20288, 992072), (29504, 682184), (34432, 584548), (40576, 496036), (59008, 341092), (68864, 292274), (81152, 248018), (85273, 236032), (118016, 170546), (124009, 162304), (137728, 146137)]