20714988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{246607}}^1$

素因数の和:246621

約数の個数: 24

約数和(自身を含む): 55240192

約数和(自身を除く): 34525204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 246607, 493214, 739821, 986428, 1479642, 1726249, 2959284, 3452498, 5178747, 6904996, 10357494, 20714988]

約数ペア:

[(1, 20714988), (2, 10357494), (3, 6904996), (4, 5178747), (6, 3452498), (7, 2959284), (12, 1726249), (14, 1479642), (21, 986428), (28, 739821), (42, 493214), (84, 246607)]