20782938

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13691}}^1$

素因数の和:13730

約数の個数: 32

約数和(自身を含む): 47319552

約数和(自身を除く): 26536614

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 13691, 27382, 41073, 82146, 150601, 301202, 314893, 451803, 629786, 903606, 944679, 1889358, 3463823, 6927646, 10391469, 20782938]

約数ペア:

[(1, 20782938), (2, 10391469), (3, 6927646), (6, 3463823), (11, 1889358), (22, 944679), (23, 903606), (33, 629786), (46, 451803), (66, 314893), (69, 301202), (138, 150601), (253, 82146), (506, 41073), (759, 27382), (1518, 13691)]