20873988

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{5419}}^1$

素因数の和:5536

約数の個数: 36

約数和(自身を含む): 53267760

約数和(自身を除く): 32393772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 321, 428, 642, 963, 1284, 1926, 3852, 5419, 10838, 16257, 21676, 32514, 48771, 65028, 97542, 195084, 579833, 1159666, 1739499, 2319332, 3478998, 5218497, 6957996, 10436994, 20873988]

約数ペア:

[(1, 20873988), (2, 10436994), (3, 6957996), (4, 5218497), (6, 3478998), (9, 2319332), (12, 1739499), (18, 1159666), (36, 579833), (107, 195084), (214, 97542), (321, 65028), (428, 48771), (642, 32514), (963, 21676), (1284, 16257), (1926, 10838), (3852, 5419)]