20199451688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1049}}^1\times {\mathrm{185153}}^1$

素因数の和:186221

約数の個数: 32

約数和(自身を含む): 40826457000

約数和(自身を除く): 20627005312

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1049, 2098, 4196, 8392, 13637, 27274, 54548, 109096, 185153, 370306, 740612, 1481224, 2406989, 4813978, 9627956, 19255912, 194225497, 388450994, 776901988, 1553803976, 2524931461, 5049862922, 10099725844, 20199451688]

約数ペア:

[(1, 20199451688), (2, 10099725844), (4, 5049862922), (8, 2524931461), (13, 1553803976), (26, 776901988), (52, 388450994), (104, 194225497), (1049, 19255912), (2098, 9627956), (4196, 4813978), (8392, 2406989), (13637, 1481224), (27274, 740612), (54548, 370306), (109096, 185153)]