20871678

素因数分解:

$2^1\times 3^1\times {\mathrm{83}}^1\times {\mathrm{41911}}^1$

素因数の和:41999

約数の個数: 16

約数和(自身を含む): 42247296

約数和(自身を除く): 21375618

約数列:

[1, 2, 3, 6, 83, 166, 249, 498, 41911, 83822, 125733, 251466, 3478613, 6957226, 10435839, 20871678]

約数ペア:

[(1, 20871678), (2, 10435839), (3, 6957226), (6, 3478613), (83, 251466), (166, 125733), (249, 83822), (498, 41911)]