20544206

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{4127}}^1$

素因数の和:4279

約数の個数: 16

約数和(自身を含む): 32693760

約数和(自身を除く): 12149554

約数列:

[1, 2, 19, 38, 131, 262, 2489, 4127, 4978, 8254, 78413, 156826, 540637, 1081274, 10272103, 20544206]

約数ペア:

[(1, 20544206), (2, 10272103), (19, 1081274), (38, 540637), (131, 156826), (262, 78413), (2489, 8254), (4127, 4978)]