20491982

素因数分解:

$2^1\times 7^1\times {\mathrm{877}}^1\times {\mathrm{1669}}^1$

素因数の和:2555

約数の個数: 16

約数和(自身を含む): 35190240

約数和(自身を除く): 14698258

約数列:

[1, 2, 7, 14, 877, 1669, 1754, 3338, 6139, 11683, 12278, 23366, 1463713, 2927426, 10245991, 20491982]

約数ペア:

[(1, 20491982), (2, 10245991), (7, 2927426), (14, 1463713), (877, 23366), (1669, 12278), (1754, 11683), (3338, 6139)]