20781372

素因数分解:

$2^2\times 3^1\times {\mathrm{829}}^1\times {\mathrm{2089}}^1$

素因数の和:2925

約数の個数: 24

約数和(自身を含む): 48571600

約数和(自身を除く): 27790228

約数列:

[1, 2, 3, 4, 6, 12, 829, 1658, 2089, 2487, 3316, 4178, 4974, 6267, 8356, 9948, 12534, 25068, 1731781, 3463562, 5195343, 6927124, 10390686, 20781372]

約数ペア:

[(1, 20781372), (2, 10390686), (3, 6927124), (4, 5195343), (6, 3463562), (12, 1731781), (829, 25068), (1658, 12534), (2089, 9948), (2487, 8356), (3316, 6267), (4178, 4974)]