20818014

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{495667}}^1$

素因数の和:495679

約数の個数: 16

約数和(自身を含む): 47584128

約数和(自身を除く): 26766114

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 495667, 991334, 1487001, 2974002, 3469669, 6939338, 10409007, 20818014]

約数ペア:

[(1, 20818014), (2, 10409007), (3, 6939338), (6, 3469669), (7, 2974002), (14, 1487001), (21, 991334), (42, 495667)]