20145459

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 30093120

約数和(自身を除く): 9947661

約数列:

[1, 3, 17, 29, 51, 53, 87, 159, 257, 493, 771, 901, 1479, 1537, 2703, 4369, 4611, 7453, 13107, 13621, 22359, 26129, 40863, 78387, 126701, 231557, 380103, 395009, 694671, 1185027, 6715153, 20145459]

約数ペア:

[(1, 20145459), (3, 6715153), (17, 1185027), (29, 694671), (51, 395009), (53, 380103), (87, 231557), (159, 126701), (257, 78387), (493, 40863), (771, 26129), (901, 22359), (1479, 13621), (1537, 13107), (2703, 7453), (4369, 4611)]