20043009

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{967}}^1$

素因数の和:1034

約数の個数: 36

約数和(自身を含む): 34429824

約数和(自身を除く): 14386815

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 967, 987, 2303, 2901, 2961, 6769, 6909, 8703, 20307, 20727, 45449, 47383, 60921, 136347, 142149, 318143, 409041, 426447, 954429, 2227001, 2863287, 6681003, 20043009]

約数ペア:

[(1, 20043009), (3, 6681003), (7, 2863287), (9, 2227001), (21, 954429), (47, 426447), (49, 409041), (63, 318143), (141, 142149), (147, 136347), (329, 60921), (423, 47383), (441, 45449), (967, 20727), (987, 20307), (2303, 8703), (2901, 6909), (2961, 6769)]