20512125219

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1\times {\mathrm{107033}}^1$

素因数の和:107666

約数の個数: 16

約数和(自身を含む): 27619909632

約数和(自身を除く): 7107784413

約数列:

[1, 3, 127, 381, 503, 1509, 63881, 107033, 191643, 321099, 13593191, 40779573, 53837599, 161512797, 6837375073, 20512125219]

約数ペア:

[(1, 20512125219), (3, 6837375073), (127, 161512797), (381, 53837599), (503, 40779573), (1509, 13593191), (63881, 321099), (107033, 191643)]