20965131

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12457}}^1$

素因数の和:12491

約数の個数: 24

約数和(自身を含む): 34982064

約数和(自身を除く): 14016933

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12457, 37371, 112113, 137027, 211769, 411081, 635307, 1233243, 1905921, 2329459, 6988377, 20965131]

約数ペア:

[(1, 20965131), (3, 6988377), (9, 2329459), (11, 1905921), (17, 1233243), (33, 635307), (51, 411081), (99, 211769), (153, 137027), (187, 112113), (561, 37371), (1683, 12457)]