20834811

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{89}}^1$

素因数の和:188

約数の個数: 36

約数和(自身を含む): 32923800

約数和(自身を除く): 12088989

約数列:

[1, 3, 9, 19, 37, 57, 89, 111, 171, 267, 333, 703, 801, 1369, 1691, 2109, 3293, 4107, 5073, 6327, 9879, 12321, 15219, 26011, 29637, 62567, 78033, 121841, 187701, 234099, 365523, 563103, 1096569, 2314979, 6944937, 20834811]

約数ペア:

[(1, 20834811), (3, 6944937), (9, 2314979), (19, 1096569), (37, 563103), (57, 365523), (89, 234099), (111, 187701), (171, 121841), (267, 78033), (333, 62567), (703, 29637), (801, 26011), (1369, 15219), (1691, 12321), (2109, 9879), (3293, 6327), (4107, 5073)]