20161211620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3677}}^1\times {\mathrm{24923}}^1$

素因数の和:28620

約数の個数: 48

約数和(自身を含む): 46201917888

約数和(自身を除く): 26040706268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3677, 7354, 14708, 18385, 24923, 36770, 40447, 49846, 73540, 80894, 99692, 124615, 161788, 202235, 249230, 274153, 404470, 498460, 548306, 808940, 1096612, 1370765, 2741530, 5483060, 91641871, 183283742, 366567484, 458209355, 916418710, 1008060581, 1832837420, 2016121162, 4032242324, 5040302905, 10080605810, 20161211620]

約数ペア:

[(1, 20161211620), (2, 10080605810), (4, 5040302905), (5, 4032242324), (10, 2016121162), (11, 1832837420), (20, 1008060581), (22, 916418710), (44, 458209355), (55, 366567484), (110, 183283742), (220, 91641871), (3677, 5483060), (7354, 2741530), (14708, 1370765), (18385, 1096612), (24923, 808940), (36770, 548306), (40447, 498460), (49846, 404470), (73540, 274153), (80894, 249230), (99692, 202235), (124615, 161788)]