20390176

素因数分解:

$2^5\times {\mathrm{97}}^1\times {\mathrm{6569}}^1$

素因数の和:6676

約数の個数: 24

約数和(自身を含む): 40563180

約数和(自身を除く): 20173004

約数列:

[1, 2, 4, 8, 16, 32, 97, 194, 388, 776, 1552, 3104, 6569, 13138, 26276, 52552, 105104, 210208, 637193, 1274386, 2548772, 5097544, 10195088, 20390176]

約数ペア:

[(1, 20390176), (2, 10195088), (4, 5097544), (8, 2548772), (16, 1274386), (32, 637193), (97, 210208), (194, 105104), (388, 52552), (776, 26276), (1552, 13138), (3104, 6569)]