20199603164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{55949}}^1$

素因数の和:56150

約数の個数: 48

約数和(自身を含む): 39083536800

約数和(自身を除く): 18883933636

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 131, 212, 262, 524, 689, 1378, 1703, 2756, 3406, 6812, 6943, 13886, 27772, 55949, 90259, 111898, 180518, 223796, 361036, 727337, 1454674, 2909348, 2965297, 5930594, 7329319, 11861188, 14658638, 29317276, 38548861, 77097722, 95281147, 154195444, 190562294, 381124588, 388453907, 776907814, 1553815628, 5049900791, 10099801582, 20199603164]

約数ペア:

[(1, 20199603164), (2, 10099801582), (4, 5049900791), (13, 1553815628), (26, 776907814), (52, 388453907), (53, 381124588), (106, 190562294), (131, 154195444), (212, 95281147), (262, 77097722), (524, 38548861), (689, 29317276), (1378, 14658638), (1703, 11861188), (2756, 7329319), (3406, 5930594), (6812, 2965297), (6943, 2909348), (13886, 1454674), (27772, 727337), (55949, 361036), (90259, 223796), (111898, 180518)]