20785545

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13997}}^1$

素因数の和:14022

約数の個数: 32

約数和(自身を含む): 40314240

約数和(自身を除く): 19528695

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 13997, 41991, 69985, 125973, 153967, 209955, 377919, 461901, 629865, 769835, 1385703, 1889595, 2309505, 4157109, 6928515, 20785545]

約数ペア:

[(1, 20785545), (3, 6928515), (5, 4157109), (9, 2309505), (11, 1889595), (15, 1385703), (27, 769835), (33, 629865), (45, 461901), (55, 377919), (99, 209955), (135, 153967), (165, 125973), (297, 69985), (495, 41991), (1485, 13997)]