20778018906

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{1129}}^1\times {\mathrm{71333}}^1$

素因数の和:72510

約数の個数: 32

約数和(自身を含む): 42560717760

約数和(自身を除く): 21782698854

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 1129, 2258, 3387, 6774, 48547, 71333, 97094, 142666, 145641, 213999, 291282, 427998, 3067319, 6134638, 9201957, 18403914, 80534957, 161069914, 241604871, 483209742, 3463003151, 6926006302, 10389009453, 20778018906]

約数ペア:

[(1, 20778018906), (2, 10389009453), (3, 6926006302), (6, 3463003151), (43, 483209742), (86, 241604871), (129, 161069914), (258, 80534957), (1129, 18403914), (2258, 9201957), (3387, 6134638), (6774, 3067319), (48547, 427998), (71333, 291282), (97094, 213999), (142666, 145641)]