20659029

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{7643}}^1$

素因数の和:7716

約数の個数: 16

約数和(自身を含む): 29719872

約数和(自身を除く): 9060843

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 7643, 22929, 129931, 389793, 405079, 1215237, 6886343, 20659029]

約数ペア:

[(1, 20659029), (3, 6886343), (17, 1215237), (51, 405079), (53, 389793), (159, 129931), (901, 22929), (2703, 7643)]