20173888616

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15662957}}^1$

素因数の和:15662993

約数の個数: 32

約数和(自身を含む): 45109319040

約数和(自身を除く): 24935430424

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 15662957, 31325914, 62651828, 109640699, 125303656, 219281398, 360248011, 438562796, 720496022, 877125592, 1440992044, 2521736077, 2881984088, 5043472154, 10086944308, 20173888616]

約数ペア:

[(1, 20173888616), (2, 10086944308), (4, 5043472154), (7, 2881984088), (8, 2521736077), (14, 1440992044), (23, 877125592), (28, 720496022), (46, 438562796), (56, 360248011), (92, 219281398), (161, 125303656), (184, 109640699), (322, 62651828), (644, 31325914), (1288, 15662957)]