20742852

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{132967}}^1$

素因数の和:132987

約数の個数: 24

約数和(自身を含む): 52123456

約数和(自身を除く): 31380604

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 132967, 265934, 398901, 531868, 797802, 1595604, 1728571, 3457142, 5185713, 6914284, 10371426, 20742852]

約数ペア:

[(1, 20742852), (2, 10371426), (3, 6914284), (4, 5185713), (6, 3457142), (12, 1728571), (13, 1595604), (26, 797802), (39, 531868), (52, 398901), (78, 265934), (156, 132967)]