20646873

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{997}}^1$

素因数の和:1078

約数の個数: 32

約数和(自身を含む): 33532800

約数和(自身を除く): 12885927

約数列:

[1, 3, 9, 13, 27, 39, 59, 117, 177, 351, 531, 767, 997, 1593, 2301, 2991, 6903, 8973, 12961, 20709, 26919, 38883, 58823, 116649, 176469, 349947, 529407, 764699, 1588221, 2294097, 6882291, 20646873]

約数ペア:

[(1, 20646873), (3, 6882291), (9, 2294097), (13, 1588221), (27, 764699), (39, 529407), (59, 349947), (117, 176469), (177, 116649), (351, 58823), (531, 38883), (767, 26919), (997, 20709), (1593, 12961), (2301, 8973), (2991, 6903)]