20712208678

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20266349}}^1$

素因数の和:20266431

約数の個数: 16

約数和(自身を含む): 35993037600

約数和(自身を除く): 15280828922

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 20266349, 40532698, 141864443, 283728886, 1479443477, 2958886954, 10356104339, 20712208678]

約数ペア:

[(1, 20712208678), (2, 10356104339), (7, 2958886954), (14, 1479443477), (73, 283728886), (146, 141864443), (511, 40532698), (1022, 20266349)]