20162770864

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{111431}}^1$

素因数の和:111745

約数の個数: 40

約数和(自身を含む): 40126217472

約数和(自身を除く): 19963446608

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 263, 344, 526, 688, 1052, 2104, 4208, 11309, 22618, 45236, 90472, 111431, 180944, 222862, 445724, 891448, 1782896, 4791533, 9583066, 19166132, 29306353, 38332264, 58612706, 76664528, 117225412, 234450824, 468901648, 1260173179, 2520346358, 5040692716, 10081385432, 20162770864]

約数ペア:

[(1, 20162770864), (2, 10081385432), (4, 5040692716), (8, 2520346358), (16, 1260173179), (43, 468901648), (86, 234450824), (172, 117225412), (263, 76664528), (344, 58612706), (526, 38332264), (688, 29306353), (1052, 19166132), (2104, 9583066), (4208, 4791533), (11309, 1782896), (22618, 891448), (45236, 445724), (90472, 222862), (111431, 180944)]