20512114832

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{419}}^1\times {\mathrm{797}}^1$

素因数の和:1584

約数の個数: 80

約数和(自身を含む): 43637832000

約数和(自身を除く): 23125717168

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 349, 419, 698, 797, 838, 1396, 1594, 1676, 2792, 3188, 3352, 3839, 4609, 5584, 6376, 6704, 7678, 8767, 9218, 12752, 15356, 17534, 18436, 30712, 35068, 36872, 61424, 70136, 73744, 140272, 146231, 278153, 292462, 333943, 556306, 584924, 667886, 1112612, 1169848, 1335772, 1608541, 2225224, 2339696, 2671544, 3059683, 3217082, 3673373, 4450448, 5343088, 6119366, 6434164, 7346746, 12238732, 12868328, 14693492, 24477464, 25736656, 29386984, 48954928, 58773968, 116546107, 233092214, 466184428, 932368856, 1282007177, 1864737712, 2564014354, 5128028708, 10256057416, 20512114832]

約数ペア:

[(1, 20512114832), (2, 10256057416), (4, 5128028708), (8, 2564014354), (11, 1864737712), (16, 1282007177), (22, 932368856), (44, 466184428), (88, 233092214), (176, 116546107), (349, 58773968), (419, 48954928), (698, 29386984), (797, 25736656), (838, 24477464), (1396, 14693492), (1594, 12868328), (1676, 12238732), (2792, 7346746), (3188, 6434164), (3352, 6119366), (3839, 5343088), (4609, 4450448), (5584, 3673373), (6376, 3217082), (6704, 3059683), (7678, 2671544), (8767, 2339696), (9218, 2225224), (12752, 1608541), (15356, 1335772), (17534, 1169848), (18436, 1112612), (30712, 667886), (35068, 584924), (36872, 556306), (61424, 333943), (70136, 292462), (73744, 278153), (140272, 146231)]