20908146

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{497813}}^1$

素因数の和:497825

約数の個数: 16

約数和(自身を含む): 47790144

約数和(自身を除く): 26881998

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 497813, 995626, 1493439, 2986878, 3484691, 6969382, 10454073, 20908146]

約数ペア:

[(1, 20908146), (2, 10454073), (3, 6969382), (6, 3484691), (7, 2986878), (14, 1493439), (21, 995626), (42, 497813)]