20177187824

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1103}}^1\times {\mathrm{16103}}^1$

素因数の和:17285

約数の個数: 40

約数和(自身を含む): 39682317312

約数和(自身を除く): 19505129488

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1103, 1136, 2206, 4412, 8824, 16103, 17648, 32206, 64412, 78313, 128824, 156626, 257648, 313252, 626504, 1143313, 1253008, 2286626, 4573252, 9146504, 17761609, 18293008, 35523218, 71046436, 142092872, 284185744, 1261074239, 2522148478, 5044296956, 10088593912, 20177187824]

約数ペア:

[(1, 20177187824), (2, 10088593912), (4, 5044296956), (8, 2522148478), (16, 1261074239), (71, 284185744), (142, 142092872), (284, 71046436), (568, 35523218), (1103, 18293008), (1136, 17761609), (2206, 9146504), (4412, 4573252), (8824, 2286626), (16103, 1253008), (17648, 1143313), (32206, 626504), (64412, 313252), (78313, 257648), (128824, 156626)]