20319854

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3847}}^1$

素因数の和:4007

約数の個数: 16

約数和(自身を含む): 32323200

約数和(自身を除く): 12003346

約数列:

[1, 2, 19, 38, 139, 278, 2641, 3847, 5282, 7694, 73093, 146186, 534733, 1069466, 10159927, 20319854]

約数ペア:

[(1, 20319854), (2, 10159927), (19, 1069466), (38, 534733), (139, 146186), (278, 73093), (2641, 7694), (3847, 5282)]