20310183

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 33022080

約数和(自身を除く): 12711897

約数列:

[1, 3, 9, 19, 27, 53, 57, 81, 83, 159, 171, 243, 249, 477, 513, 747, 1007, 1431, 1539, 1577, 2241, 3021, 4293, 4399, 4617, 4731, 6723, 9063, 12879, 13197, 14193, 20169, 27189, 39591, 42579, 81567, 83581, 118773, 127737, 244701, 250743, 356319, 383211, 752229, 1068957, 2256687, 6770061, 20310183]

約数ペア:

[(1, 20310183), (3, 6770061), (9, 2256687), (19, 1068957), (27, 752229), (53, 383211), (57, 356319), (81, 250743), (83, 244701), (159, 127737), (171, 118773), (243, 83581), (249, 81567), (477, 42579), (513, 39591), (747, 27189), (1007, 20169), (1431, 14193), (1539, 13197), (1577, 12879), (2241, 9063), (3021, 6723), (4293, 4731), (4399, 4617)]