20403721827

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{945799}}^1$

素因数の和:945872

約数の個数: 32

約数和(自身を含む): 32686848000

約数和(自身を除く): 12283126173

約数列:

[1, 3, 9, 17, 27, 47, 51, 141, 153, 423, 459, 799, 1269, 2397, 7191, 21573, 945799, 2837397, 8512191, 16078583, 25536573, 44452553, 48235749, 133357659, 144707247, 400072977, 434121741, 755693401, 1200218931, 2267080203, 6801240609, 20403721827]

約数ペア:

[(1, 20403721827), (3, 6801240609), (9, 2267080203), (17, 1200218931), (27, 755693401), (47, 434121741), (51, 400072977), (141, 144707247), (153, 133357659), (423, 48235749), (459, 44452553), (799, 25536573), (1269, 16078583), (2397, 8512191), (7191, 2837397), (21573, 945799)]