20004656

素因数分解:

$2^4\times 7^1\times {\mathrm{178613}}^1$

素因数の和:178628

約数の個数: 20

約数和(自身を含む): 44296272

約数和(自身を除く): 24291616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 178613, 357226, 714452, 1250291, 1428904, 2500582, 2857808, 5001164, 10002328, 20004656]

約数ペア:

[(1, 20004656), (2, 10002328), (4, 5001164), (7, 2857808), (8, 2500582), (14, 1428904), (16, 1250291), (28, 714452), (56, 357226), (112, 178613)]