20263646

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{811}}^1$

素因数の和:888

約数の個数: 24

約数和(自身を含む): 33865272

約数和(自身を除く): 13601626

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 811, 961, 1622, 1922, 10543, 12493, 21086, 24986, 25141, 50282, 326833, 653666, 779371, 1558742, 10131823, 20263646]

約数ペア:

[(1, 20263646), (2, 10131823), (13, 1558742), (26, 779371), (31, 653666), (62, 326833), (403, 50282), (806, 25141), (811, 24986), (961, 21086), (1622, 12493), (1922, 10543)]