20818818

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{50287}}^1$

素因数の和:50318

約数の個数: 24

約数和(自身を含む): 47069568

約数和(自身を除く): 26250750

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 50287, 100574, 150861, 301722, 452583, 905166, 1156601, 2313202, 3469803, 6939606, 10409409, 20818818]

約数ペア:

[(1, 20818818), (2, 10409409), (3, 6939606), (6, 3469803), (9, 2313202), (18, 1156601), (23, 905166), (46, 452583), (69, 301722), (138, 150861), (207, 100574), (414, 50287)]