20179207312

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{435949}}^1$

素因数の和:436231

約数の個数: 40

約数和(自身を含む): 42813777600

約数和(自身を除く): 22634570288

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 263, 526, 1052, 2104, 2893, 4208, 5786, 11572, 23144, 46288, 435949, 871898, 1743796, 3487592, 4795439, 6975184, 9590878, 19181756, 38363512, 76727024, 114654587, 229309174, 458618348, 917236696, 1261200457, 1834473392, 2522400914, 5044801828, 10089603656, 20179207312]

約数ペア:

[(1, 20179207312), (2, 10089603656), (4, 5044801828), (8, 2522400914), (11, 1834473392), (16, 1261200457), (22, 917236696), (44, 458618348), (88, 229309174), (176, 114654587), (263, 76727024), (526, 38363512), (1052, 19181756), (2104, 9590878), (2893, 6975184), (4208, 4795439), (5786, 3487592), (11572, 1743796), (23144, 871898), (46288, 435949)]