20147742700

素因数分解:

$2^2\times 5^2\times {\mathrm{661}}^1\times {\mathrm{304807}}^1$

素因数の和:305482

約数の個数: 36

約数和(自身を含む): 43786888432

約数和(自身を除く): 23639145732

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 661, 1322, 2644, 3305, 6610, 13220, 16525, 33050, 66100, 304807, 609614, 1219228, 1524035, 3048070, 6096140, 7620175, 15240350, 30480700, 201477427, 402954854, 805909708, 1007387135, 2014774270, 4029548540, 5036935675, 10073871350, 20147742700]

約数ペア:

[(1, 20147742700), (2, 10073871350), (4, 5036935675), (5, 4029548540), (10, 2014774270), (20, 1007387135), (25, 805909708), (50, 402954854), (100, 201477427), (661, 30480700), (1322, 15240350), (2644, 7620175), (3305, 6096140), (6610, 3048070), (13220, 1524035), (16525, 1219228), (33050, 609614), (66100, 304807)]